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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 SUR 1ST DIS Award a ₱10.9M contract to A.P.B. CONSTRUCTIONNational agencies

Transaction hash:
6b1b9bdc43ead39bfe87e4eb591ddc22428271492e316ee069f6ade14375aba0
Status:
Included and unchanged
Block:
#3,861 2,152 blocks after it
Position in block:
Transaction 149 of 392
Award day:
Aug 28, 2019 (7 yrs 2 mo ago)
Value:
₱10,862,688.30
Project:
Const. of Two Storey 4 Classroom, ISNHS

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 #3,861 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 - GAA 2019 DepEd BEFF", i.e. the FY2019 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 SUR 1ST DIS awarded it to A.P.B. CONSTRUCTION on 2019-08-28.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19AC0098: 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 2020-11-13). 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   6b1b9bdc43…75aba0now      …
  2. 2. Block Merkle root changed
    stored   181d151347…df1cccnow      …
  3. 3. Block #3861 hash changed
    stored   7926c1fc9c…107c54now      …
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 391 records. Each step hashes the current value together with the sibling shown.

  1. leaf  6b1b9bdc43ead39bfe87e4eb591ddc22428271492e316ee069f6ade14375aba0
  2. 01 L 6a5bc0cbed17d982c2d86dcc6f94bd9b8f01982183f5883c1efb1da714fed02c
  3. 02 R b3fbe739caf9edd1096709c2b115ee49f9d281f3b125a27519239fc3e243a7d9
  4. 03 L a329228ee4f384a9ebeda025ded61fd50d27bfbacf3deaf3e4ed6df654a93d38
  5. 04 R 2a42c92cac416088164eb29079bfe507c612166f5484316948ab6290f57bb0a2
  6. 05 L 12bd632c7889ba385f722396b46a39dca1e8fca7960f48e00bc93665e82810ce
  7. 06 R e346ce486a012cfb6e0c3ba8abbabf8c8ab81b465147aa67cec7e54248415a5f
  8. 07 R 3a3e2244333d5f04fdde95f48c5ec5529499b575680a7eef649f3fafc40d5d7a
  9. 08 L 14b1f2a66c682cfc4bd1eec076e44a5b68bbdb2e4b7a798c8b38d438cd8044a2
  10. 09 R a26b3c43f48b523ebe3e724497469883ffe0ba8657c9f990e0e01984a88caa66
  11. root  181d1513478cc52b38ce05305b3c65d2e4abe2abab173fe7b5777c6e51df1ccc