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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 ₱10.8M contract to RANGAY CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
c2d1709cd097ad898523cffe75c6986b3982a4101d6504051a2861221303bd66
Status:
Included and unchanged
Block:
#3,176 2,837 blocks after it
Position in block:
Transaction 298 of 409
Award day:
Aug 29, 2017 (9 yrs 2 mo ago)
Value:
₱10,844,046.02
Project:
(17LF0051)Cluster V-Construction of Various One-St

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 #3,176 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 "Outside Infra - GAA 2017 DepEd BEFF", 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 2017-08-29.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17LF0051: 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 2018-04-03). 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   c2d1709cd0…03bd66now      …
  2. 2. Block Merkle root changed
    stored   2b400b6cfe…d2978fnow      …
  3. 3. Block #3176 hash changed
    stored   70bcec868a…2a65c9now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 408 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c2d1709cd097ad898523cffe75c6986b3982a4101d6504051a2861221303bd66
  2. 01 R c2fc3642bb39661fb7b6643581e9406c95f35e69c23744a2661ebbf5a61333fe
  3. 02 L 84e37a48f134045f6fd45ed202d2c2034cf149cf03eeeb37bb98686bc931740a
  4. 03 R 4b95f576f6799486ea9468595a1f0f67d0db910d03d65d6a4ef8eaf5617f5070
  5. 04 L 90bdaf1b418455ed2c987d1af1319f6d1528cbdd9e4a7575708154e2bd361a5a
  6. 05 R a9cc3a3b700c8b805a188561570d9e68230363ed00b65a6d81056db953847978
  7. 06 L f62cdd1d717a6aef96d1e788b34ffbe29d034985beb8daef98a5e884b485be73
  8. 07 R df0e1e65f82110239fc75abb666b1c3ba3d243c5fa0fd3b9c222291c42b9d64d
  9. 08 R d0345805e3ff87ceeb23e457796fa4763ad0e3fa17292647e5d8f545fe1b5aed
  10. 09 L fcaf144d90108e7074f24ddb7cd81e537d29ddd6a7c98e1ca4e9fe627e632636
  11. root  2b400b6cfe8e20dbf656464f53f8c9664ed1bcba038d9a1aaea994c319d2978f