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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 XII Award a ₱3.9M contract to 4MB CONSTRUCTION AND SUPPLY CORPORATIONNational agencies

Transaction hash:
39a629ecff065e4addb680a52405c5225b59f395ef4ab4d47531ac37018e2804
Status:
Included and unchanged
Block:
#4,595 1,418 blocks after it
Position in block:
Transaction 63 of 341
Award day:
Oct 11, 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 #4,595 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 LP", 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 XII awarded it to 4MB CONSTRUCTION AND SUPPLY CORPORATION on 2021-10-11.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21M00083: 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 2022-10-01). 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   39a629ecff…8e2804now      …
  2. 2. Block Merkle root changed
    stored   748b3803c4…61c6c3now      …
  3. 3. Block #4595 hash changed
    stored   0f55be8aca…2f787bnow      …
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 340 records. Each step hashes the current value together with the sibling shown.

  1. leaf  39a629ecff065e4addb680a52405c5225b59f395ef4ab4d47531ac37018e2804
  2. 01 L 3980d7814a002447743a05a267797ab45650601938a4f8186ea185cc8b58f47f
  3. 02 L 80ae39c39573148858b7b49d5fc56e73e8f3a590c886b6663f0f10e06e109557
  4. 03 L 56b3d97dfcf435959700cad8241e469242774425ddaf23715ef5e452ea85ba92
  5. 04 L a18fe3588f22a24480167ce5c070ed1451c99c9335e46dc10b37d0b2a3bf3adf
  6. 05 L 88d6031dbc0a1fe715291547a284b195aec48d731cf382bceb2be6fbe5edb095
  7. 06 L cc7979fc4fafb0cdd0de0b777054782a41cc8063361cb35b1b0a8c3feebe6c30
  8. 07 R 8e925e0b09f69308992f0514aa963b97c8d73c07a5f1e802b438977eb6b9d9d7
  9. 08 R 2751b421d499fe6511d5adf5b2848e251f3368faada931fbf32a524f1a9670de
  10. 09 R 5518afae9984f250679dac75f603ac1b382d97518c6866ea21c42bb5f87f438d
  11. root  748b3803c4491e565203d4bcb92d278c71eb69c3ded3a0cf4d5189d54b61c6c3