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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 - REGION X Award a ₱2.0M contract to AHA CONSTRUCTIONNational agencies

Transaction hash:
256e61367f201fff4baf33934d0ed5729f66397a8fcd5a7ac0acdc6cfbc1e5e7
Status:
Included and unchanged
Block:
#4,557 1,456 blocks after it
Position in block:
Transaction 44 of 261
Award day:
Sep 3, 2021 (5 yrs 2 mo ago)
Value:
₱1,959,921.03
Project:
21K00298

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 #4,557 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 2021 LP", i.e. the FY2021 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 - REGION X awarded it to AHA CONSTRUCTION on 2021-09-03.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21K00298: 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 2021-12-13). 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   256e61367f…c1e5e7now      …
  2. 2. Block Merkle root changed
    stored   339db7e7ca…a7e81bnow      …
  3. 3. Block #4557 hash changed
    stored   95f1396003…ff3f80now      …
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 260 records. Each step hashes the current value together with the sibling shown.

  1. leaf  256e61367f201fff4baf33934d0ed5729f66397a8fcd5a7ac0acdc6cfbc1e5e7
  2. 01 R 264d38a21056539cdd5b9273558af3d92d12c35ccc9024346e9ac5b0db015942
  3. 02 R 90989c5f5b4e42a3ac1450afbede9a96cc65f9edeacfcc84f19685aa08050131
  4. 03 L 17d3a8b09bcdf80aef9f146c68ebc5516d48febc1715c9500e88cd2046a23605
  5. 04 L a427917c64597a6f1e25f9d4de37c11ac70056d7213a94b3cca3738dc611b393
  6. 05 R c63880d2c1e562a07c2c15b9628e7cb17365731d6fd3b3c1f808d1648b606fcb
  7. 06 L 3982b57b060ab3102451c234ce0cf7202b4abf57bc7a3e210f8ded422d370eab
  8. 07 R 9dd6ed19fd3364116eafa8a41dafd0a1f9db4adbf068963b37a5fb865da94d04
  9. 08 R 38ef894cd737fb0525a6d5115a7bf29f2d900d7c0455995f55e9ee2c3b419f79
  10. 09 R a094cac5a65a8b303d34d997862be0a9470f30922049dd1f77987b56a77df823
  11. root  339db7e7ca2394b5f99b2c353fe6e241d11a02da56a059078c2cc25c7ba7e81b