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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 - SOUTH METRO MANILA Award a ₱9.5M contract to M.C. LAYGO BUILDERSNational agencies

Transaction hash:
d680e5e68c2421ffbd0409fa26b52fe81924259add19b88b6e5bbf57dcf722d3
Status:
Included and unchanged
Block:
#4,202 1,811 blocks after it
Position in block:
Transaction 308 of 377
Award day:
Aug 24, 2020 (6 yrs 2 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 #4,202 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 - Contingent Fund 2019 Extended". 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 - SOUTH METRO MANILA awarded it to M.C. LAYGO BUILDERS on 2020-08-24.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20OH0153: 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 2021-05-10). 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   d680e5e68c…f722d3now      …
  2. 2. Block Merkle root changed
    stored   e2ad555052…ad39e1now      …
  3. 3. Block #4202 hash changed
    stored   ea5cb3007f…d0e66cnow      …
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 376 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d680e5e68c2421ffbd0409fa26b52fe81924259add19b88b6e5bbf57dcf722d3
  2. 01 R d6945e40437c718d4bb63aa9cac20e2891e338457ea28bd3b8d71f6d78ce1ffe
  3. 02 R 99f9046b74557e19929fb2c9f3c4a1c627aeda3b79d8e9f0d70643d0a8f841d4
  4. 03 L cdad9fbf06b5534a000fd1ff13c1160a211960dcabbf7b694ed2f9531e0ef154
  5. 04 R 63eaac931a895979323b76eb3db683ba6bb470e1bec60455b974471ea4000e48
  6. 05 L 689bcac870a9d775c84dd56ba53603574f8af8d0c801de844abfc99166b19fe8
  7. 06 L fda397d0094fa7042a5bd6e87013f776c800342c297b3377f4d7562c4c3027e3
  8. 07 R d2d391a86584759fb034d9f71a32140e3b6bf1e0cb7f7c69cc1e93621d5d1e39
  9. 08 R 77d586925b217f76b2785825539f6c7920879f643493b77d04089bd39b430106
  10. 09 L 0f2c870b7bee733cb06a41ba18903b8db95d7f3ed76dd1c2d1c46277f9f55086
  11. root  e2ad555052b0a2f5d0043686645b08b5fff657ed1c4a84769a3665c7ddad39e1