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DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE DE Award a ₱26.8M contract to RANGAY CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
ccbba6a60077e615d2e151a093db40835a6941332823020121d29d819b130664
Status:
Included and unchanged
Block:
#5,487 526 blocks after it
Position in block:
Transaction 466 of 586
Award day:
Apr 29, 2024 (2 yrs 6 mo ago)
From:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE DE
To:
RANGAY CONSTRUCTION AND SUPPLY
Value:
₱26,771,247.14
Project:
24LC0084 Construction (Completion)
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE DE
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #5,487 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    DPWH lists the funding source as "Regular Infra - GAA 2024 LP", i.e. the FY2024 GAA. The exact UACS line is not given.
    Partly
    Open
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE DE awarded it to RANGAY CONSTRUCTION AND SUPPLY on 2024-04-29.
    Found
    Open
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 24LC0084: Completed, 100% physical progress.
    Found
    Open
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    DPWH marks the contract "Completed" (end 2024-11-22). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   ccbba6a600…130664now      …
  2. 2. Block Merkle root changed
    stored   645a3cd6e3…948335now      …
  3. 3. Block #5487 hash changed
    stored   0add54886a…466fb8now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 585 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ccbba6a60077e615d2e151a093db40835a6941332823020121d29d819b130664
  2. 01 R cd82a8df798976e210bd00e1fe22b63f9128083ec199b0047499b28f57ef5257
  3. 02 L 2195b4d7f5bbcd38a87373f22319aace78cf83888cc7a734840b7e43008b6c87
  4. 03 R 07df36eba18fa40b979e9143884007b09243af813c50e66120c5fcaa8fce1f83
  5. 04 R 9b9df8c9bd8e284d6c4ea6ddc1100cd8fd44c80904916f98b17c35cb62630153
  6. 05 L 048e311a4489efef679fd3509152be282327f634699f1450404fec94cdd3a3d1
  7. 06 R c2e4854e0fc3b469ad46c79c724fc6960965ba0ab243939772bb8dfbab9a4b48
  8. 07 L 7242064b46ee1a07c29b0e52255282247de7e266bcc31acf49ac26986f615791
  9. 08 L 49c634e1b4b6379fbbc3a1d4bf45f260f03060ece114c62a54917b072f81cac6
  10. 09 L 93c343fa0365518ab44b274d075f263d03072bbea9ae57f7bbcdf4bc67f0c508
  11. 10 R 677f5e268a6d67f6159f0011b675c1b48dfd0145b56d7be2c4420bf439eec14c
  12. root  645a3cd6e35ee1a9cdb093a9e6b011b8412be69d8d6bd1bac4e8a4efa0948335