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FY2026 GAA: ₱6.79T
PisoScan
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 ORIENTAL 1ST Award a ₱2.9M contract to RANGAY CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
b6cfab751a4c52b11cd81dde2241233d882107ee7e93b639586ca88e9b79a9e7
Status:
Included and unchanged
Block:
#3,023 2,990 blocks after it
Position in block:
Transaction 107 of 157
Award day:
Mar 21, 2017 (9 yrs 7 mo ago)
Value:
₱2,879,777.84
Project:
(17LF0033)Concreting of Road (0.30km.), San Nicola

Accountability

Bill Sec. 3 and 19
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 #3,023 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 2017 LFP", i.e. the FY2017 GAA. The exact UACS line is not given.
    Partly
  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 ORIENTAL 1ST awarded it to RANGAY CONSTRUCTION AND SUPPLY on 2017-03-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17LF0033: Completed, 100% physical progress.
    Found
  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 2017-05-31). 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   b6cfab751a…79a9e7now      …
  2. 2. Block Merkle root changed
    stored   2a73288286…014a2anow      …
  3. 3. Block #3023 hash changed
    stored   fe0a6693aa…e1245cnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 156 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b6cfab751a4c52b11cd81dde2241233d882107ee7e93b639586ca88e9b79a9e7
  2. 01 L b66b252dbbc7d060693a1a70e0360243c053ea250d0c2bd44de1b35636a796d8
  3. 02 L 91f6f99e4289d710054878c129d27d5a7acecc1082ac051a540aa0beaa8a40a0
  4. 03 R 5aaf730f797c43099fcfbe069f9082cda2a97dbef53d50e5416b7dbf33c22b01
  5. 04 L f48675b3cd62998dbdef17471c2dc824a3d2e66d3ca466efed4e2e9e2e7cb305
  6. 05 R ecef9625249cd6a47c9985e1ec3d3601459b00bfc81c99b0b8866790dc160390
  7. 06 L 1fe8baec097a850321903fbf8f2f8ad1ee70436c91c91bbea87758e1ed4f8738
  8. 07 L 05ff05d9349b981cf950dd421e6c88e80b9bcb47ce13e077356c15a6e9edc7ca
  9. 08 R 4d739005e4686ca0b84bd2135b91352cf6a720237fd8d98fdeb88d5a09a246a3
  10. root  2a73288286a36e66128dd77b8d19eb3d67afd70389f21aa096593d539a014a2a