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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 - QUIRINO DEO Award a ₱19.2M contract to APD CONSTRUCTIONNational agencies

Transaction hash:
a835bf891427edcdd7ddadfa713d13dc5452070a390d62cfb9e0c3d0771c7b31
Status:
Included and unchanged
Block:
#4,016 1,997 blocks after it
Position in block:
Transaction 306 of 468
Award day:
Feb 5, 2020 (6 yrs 9 mo ago)
Value:
₱19,187,132.29
Project:
20BK0026 Convergence

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 #4,016 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)
    The award does not say which budget line pays for it.
    Not published
  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 - QUIRINO DEO awarded it to APD CONSTRUCTION on 2020-02-05.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   a835bf8914…1c7b31now      …
  2. 2. Block Merkle root changed
    stored   747b8a52a5…f02274now      …
  3. 3. Block #4016 hash changed
    stored   cc7658122d…de8f24now      …
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 467 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a835bf891427edcdd7ddadfa713d13dc5452070a390d62cfb9e0c3d0771c7b31
  2. 01 R a868e9793bad66a16d6d14c0856ffc2d8c2319e08b1b675b7a1b3887e7c88b4f
  3. 02 L 2aa6bfb4f1042cd3ecc5e0cbb0409ebceb43a39a1d03ef50ae35282d18b3e031
  4. 03 R 4465980f4956c40340bbd0a0fbcfbf5a41c7461e434ac611a371a8b1bcc7cfa9
  5. 04 R 6f5c7701c4dbb2c39fe91b77917aa6135bbdd7a467b9b6c35825b992c54d8d41
  6. 05 L 8cba365803b42d8d25064cec1d32a006bea12dbabbe60daca30a2530652133c9
  7. 06 L 1e32ee79d621aefbd7a5b6caa82d8c069419b48fdc3bb7ed3ef1d4e185779e2a
  8. 07 R 1c9c3945747e11f480b9ee2ad41ef22aba0abefca0b867d020458441bdeb5145
  9. 08 R f38eb8a5272287e9417aae8d1b955e1cad31a6f6de89e0f0041c9183b382eb4a
  10. 09 L 675c67338d8d41588eb13e461bb7696551b9c777202fae969e36bd135fdad132
  11. root  747b8a52a55eeef5b90cbc0ad6e646563614e77aa35713456f17abb978f02274