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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 - LA UNION 2ND DISTR Award a ₱1.9M contract to E. E. MADAYAG CONSTRUCTIONNational agencies

Transaction hash:
afbb2677a95bd2cbac3b16082f90381b8b87a83f70060dab18ef7c69d9d0b3aa
Status:
Included and unchanged
Block:
#2,636 3,377 blocks after it
Position in block:
Transaction 231 of 326
Award day:
Jan 14, 2016 (10 yrs 9 mo ago)

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 #2,636 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 2016 Locally Funded Projects", i.e. the FY2016 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 - LA UNION 2ND DISTR awarded it to E. E. MADAYAG CONSTRUCTION on 2016-01-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 15AF0134: 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 2016-02-24). 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   afbb2677a9…d0b3aanow      …
  2. 2. Block Merkle root changed
    stored   c65ad8c11e…fb5ae3now      …
  3. 3. Block #2636 hash changed
    stored   ea5771139b…e0dd6enow      …
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 325 records. Each step hashes the current value together with the sibling shown.

  1. leaf  afbb2677a95bd2cbac3b16082f90381b8b87a83f70060dab18ef7c69d9d0b3aa
  2. 01 L aed2784d18dc295786ed69a59555dee92664b2f660a8b7e0b0f3770cbf869d29
  3. 02 L 4496699777fdd5ec42d6ec5a33289b0447fb251341ab63bc3457632c64539481
  4. 03 L ae6a0280f67b489ece5a3a605c451cf7a2b10b4745476864c1d100f48af7bb89
  5. 04 R 85a520ab60504c016ac702850cebbba7eef8b5f6e85f8009dcc8ea3efd283d8c
  6. 05 R 230491adbc14e2680f56cdde17f81fd26b0c341b29da6a367e25f46b90a58723
  7. 06 L 7064465a96a932b5c1cf95232d0692617ec894252c7ec3c622c1ae479abf3832
  8. 07 L ade2a6e24a0e43196192786c34db9743d997968e2b68db86669b92a7bbd67e03
  9. 08 L a3c292193d1409864659dbf81ba20cf3370d2e67a7e9dcfa90e36e4e8164f8b9
  10. 09 R 88c0f148db836e24de267e326319af66e472be43bfb141fa365b047c8352b3dd
  11. root  c65ad8c11e04dcc7af9e1bfb34f2ed9320317b0efda9fdaf0534c1bc74fb5ae3