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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 I Award a ₱14.5M contract to E. E. MADAYAG CONSTRUCTIONNational agencies

Transaction hash:
2deda5b36574f6cd54f0e05971cca2d4c7dbad9b159773a357f42b1f6d1d1859
Status:
Included and unchanged
Block:
#4,495 1,518 blocks after it
Position in block:
Transaction 45 of 279
Award day:
Jun 30, 2021 (5 yrs 4 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 #4,495 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 I awarded it to E. E. MADAYAG CONSTRUCTION on 2021-06-30.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21A00215: 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 2022-01-21). 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   2deda5b365…1d1859now      …
  2. 2. Block Merkle root changed
    stored   527263973c…66de7dnow      …
  3. 3. Block #4495 hash changed
    stored   3ce012dab9…a3a2adnow      …
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 278 records. Each step hashes the current value together with the sibling shown.

  1. leaf  2deda5b36574f6cd54f0e05971cca2d4c7dbad9b159773a357f42b1f6d1d1859
  2. 01 L 2dbf87a9fe2ee5f0526e6a017b98c12433a867f81413065a85b53dd61189f7bd
  3. 02 R 12bfce0cf44311c058be4e9022e811172d55fc0ba61767b798ed32d289352337
  4. 03 L d0cfa079009797c5776160228ff5eef0c56417a34e6f1588fa70cdbf118718f7
  5. 04 L 8edfb95cceb2d069060c448ffdd0834cba72f14d30c62ffa654adbfb00658fff
  6. 05 R ff85302bb7b7cab3bf2834aa05b98b656691c67ceefca0a9b690bdf12d38876b
  7. 06 L 4253b14680f6c0ad4cec7c8db996deeec890512f1262065ca39a10facf7f7f8d
  8. 07 R a970a8c19934c6014671c75f840f4e7a59d74cd726a58424345526a34f613fbc
  9. 08 R c75b5bb3dbf9292fbd91825926b67c60ace7e7e701ab49e0310a92da63469d24
  10. 09 R 9e41b06d49ebf8ad140fa0b242d7140383c05a8085bc39105225c63f3db3009e
  11. root  527263973c7748e54fb161c4d00d216c78fc53c888d588c10512e849fe66de7d