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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 ₱4.7M contract to HAN BUILDERS AND DESIGNNational agencies

Transaction hash:
e4eae8ec631a86685b59627384b901ea40bce944bc5a84614668bc4953043c53
Status:
Included and unchanged
Block:
#4,320 1,693 blocks after it
Position in block:
Transaction 220 of 238
Award day:
Dec 28, 2020 (5 yrs 10 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 #4,320 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 2020 LP", i.e. the FY2020 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 HAN BUILDERS AND DESIGN on 2020-12-28.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20K00291: 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 2021-05-09). 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   e4eae8ec63…043c53now      …
  2. 2. Block Merkle root changed
    stored   38b4c3b39b…f03cd3now      …
  3. 3. Block #4320 hash changed
    stored   ec8c0060d3…e5fb57now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 237 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e4eae8ec631a86685b59627384b901ea40bce944bc5a84614668bc4953043c53
  2. 01 R e65fbd86332395e1d9150b9765967a322cc6f3296952afed201277410a383201
  3. 02 R 85f62ff266a68e12871fd07c064e4fea0ba094ff8c71bb6085c360e8345cca46
  4. 03 L 634cc67987ef5bc97818c16becfffad934e82b6cd6370328917432c1c0665639
  5. 04 L 5db2c25537634f437b57f3ab584153b66da9234f6879e274fb663806a9de67d3
  6. 05 L eb60e2e9e6aac37b81f738029b5fdec74cf961da28f2fc08404527b3eb7ed23b
  7. 06 R bd47bf80479bac9e37106602387d7e0f0ad6138cef71c6f410e870dc8fae9980
  8. 07 L 97aa03351a0480027f8ec9b8b34d77620b6cff3934a8e7eb1edee2db89709f4c
  9. 08 L c6b338426ce1a5d3d17b189b9a43abc980e80caa71219ea1844c0ad9bab736a3
  10. root  38b4c3b39b1b1756e5be00c415a911300c1fb5be8aac693668b1e17f32f03cd3