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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 - BULACAN 1ST DEO Award a ₱4.8M contract to 3AMR CONSTRUCTION SERVICESNational agencies

Transaction hash:
0bcab18a9f52a9ffbe201ebe281e5ea2837e747868cfaf2e7967c695c43d5a7b
Status:
Included and unchanged
Block:
#4,699 1,314 blocks after it
Position in block:
Transaction 17 of 550
Award day:
Jan 24, 2022 (4 yrs 9 mo ago)
Value:
₱4,801,454.42
Project:
22CC0099-Construction of Road, Barangay Tanawan

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 #4,699 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 - BULACAN 1ST DEO awarded it to 3AMR CONSTRUCTION SERVICES on 2022-01-24.
    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   0bcab18a9f…3d5a7bnow      …
  2. 2. Block Merkle root changed
    stored   7cc670843f…85f3afnow      …
  3. 3. Block #4699 hash changed
    stored   299770b79b…971185now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 549 records. Each step hashes the current value together with the sibling shown.

  1. leaf  0bcab18a9f52a9ffbe201ebe281e5ea2837e747868cfaf2e7967c695c43d5a7b
  2. 01 L 0b8c283f6a6fd40b3a4d564164cda78f79baf0956d401934592953b004fc6ffd
  3. 02 R 080c2b7b99f3e83d3b6567e486e1573efa846d97a73a5317b1dc667ce21c5b4a
  4. 03 R f25f3d0796470ccdb90907a4f851acd59af8f8de6e26c8376d7aba01f8f08970
  5. 04 R b8129abd482abb5f561d26f8d42c047019eb62c84c5d45d33da6c9b541485b86
  6. 05 L 7ccc94dad776390e782868374ac409c863b83d65d628490b52d790fa5c8ab2ff
  7. 06 R 467774b5bcf3a64e1c152c530d045076898f92d9ba50072598bf1da59f937b8c
  8. 07 R c53e7a8483c8837551fe2f5f974f6056ad370b77abdb3b5ee72ba072e5ab3131
  9. 08 R 301eb6376549e33e13dee419cf1a57ae0004f15b06eeab3198911255fbc212eb
  10. 09 R a01b4551194ba199d9eb5bb1fe7eddd7c559a2f44bb5f45d7d07654911ac8a4c
  11. 10 R 9443ec453b1a9144d1f4b908803458d2052e360472d8f02f3e5b84376eeb7fc2
  12. root  7cc670843ffacae8065a7fe22a946a0bc48d22e1368cfdf9b7b404052085f3af