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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 IV-A Award a ₱28.4M contract to HAUSLAND CONSTRUCTIONNational agencies

Transaction hash:
dc4fd800e8b8ea15ccbc4a303cf7708b0ca5c005b8f6ed480596252f74ba2e35
Status:
Included and unchanged
Block:
#4,582 1,431 blocks after it
Position in block:
Transaction 221 of 258
Award day:
Sep 28, 2021 (5 yrs 1 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 #4,582 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 OO-1", 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 IV-A awarded it to HAUSLAND CONSTRUCTION on 2021-09-28.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21D00081: 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 2022-12-10). 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   dc4fd800e8…ba2e35now      …
  2. 2. Block Merkle root changed
    stored   e4315d618b…9d9301now      …
  3. 3. Block #4582 hash changed
    stored   30019a0bb7…4590cdnow      …
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 257 records. Each step hashes the current value together with the sibling shown.

  1. leaf  dc4fd800e8b8ea15ccbc4a303cf7708b0ca5c005b8f6ed480596252f74ba2e35
  2. 01 L dc231c3d50653ec116dc2131427c3a51eb96f1fd8ed96f6e4a6db12a0b14a7cb
  3. 02 R e1bd114971b033a364ec50dc9819ed1851436f5b67a28ea99b162afb3b0ff202
  4. 03 L 2f1e0c4ce4acc4faeee6449036d602e4e1e30b5383b26caa5fb38ad6ac6596bf
  5. 04 L 447cb7ce41620fa18629c392f09a95172200b6cb2370e84be666fc49353515b1
  6. 05 L e6d033868dc9b493b8b5e5f809aa07b6ba8b5f207b290c68bbb3129be5502122
  7. 06 R 337f509173274c72c8e01036defc5ed3a2e18ee09e6bf6084cc2ab06a8b1e2c0
  8. 07 L 6af32fab30ea041bd51748e4565a9006326ee06107e54ab900a3e9732dc25cf3
  9. 08 L f193960497e23f1f11609086898c0e737f9063ea166eb572947c75a0135c5bd0
  10. 09 R 51689ea1311982e89e1483e547522c4ca75ff49fd432d8130e9a03456ae75a0e
  11. root  e4315d618bc91229f6c2d55d52f0f8a0dad2f76b6571c4caf730345f4f9d9301