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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 - ILOCOS NORTE 1ST D Award a ₱494.0K contract to ALTHEA CONSTRUCTIONNational agencies

Transaction hash:
a2ef2e8cdb53eff7599705580f81905ff899d7884eceb9d9116e39ff5448d59c
Status:
Included and unchanged
Block:
#2,733 3,280 blocks after it
Position in block:
Transaction 311 of 484
Award day:
May 10, 2016 (10 yrs 6 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 #2,733 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 - ILOCOS NORTE 1ST D awarded it to ALTHEA CONSTRUCTION on 2016-05-10.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16AA0118: 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 2016-07-28). 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   a2ef2e8cdb…48d59cnow      …
  2. 2. Block Merkle root changed
    stored   51f7d9525d…a6c3c9now      …
  3. 3. Block #2733 hash changed
    stored   77a77e0b32…a7c86dnow      …
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 483 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a2ef2e8cdb53eff7599705580f81905ff899d7884eceb9d9116e39ff5448d59c
  2. 01 L a2bed529d9f4f03fa2c7a6ff6958e9bb732549f2738e94547dec1f9c498c18e0
  3. 02 L 3a494dd8dd4a415e241bedc517abda6b31d57797ffcdf03e63a65339d4029615
  4. 03 L 4235e2aaffe01714704ba588d58a5876cadee002bd89b6d037f21bdeb6f43b3e
  5. 04 R faf4120d28f02e2f9e9cd8dfe961fc0f27f97d62209215944d9132f2cebbd676
  6. 05 L 9334ee60f8c6aa19826bef22ef65e663fdd8dc0a83a9cde5b17b97920fa87bf6
  7. 06 L c86fc80f3dd824dc1c46a8bf2f42cbd9ff6d1aadd9a2bed2d97160f5ec257264
  8. 07 R 784a93a3d3825021457e76dda4b7f628b14ae009c30dfe8439b197af1a1cd087
  9. 08 R 36c611c19ebe659c77cb345eee17b748bb2eb7925aaf34abebb637c6f2fddce0
  10. 09 L 93b662a16b1ac58e1f4d964cd33cae47e3c8921199742a823d90a90920320bcc
  11. root  51f7d9525d2f626589f122cde2df474d50083610b5fa95665c6f4f1e28a6c3c9