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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 III Award a ₱22.4M contract to QUATRIX CONSTRUCTION AND SUPPLY INC.National agencies

Transaction hash:
f99a31f11221715909d8dcdcec3b33975ca1dc5572d88d93666e53a31a8a3848
Status:
Included and unchanged
Block:
#4,848 1,165 blocks after it
Position in block:
Transaction 202 of 208
Award day:
Jul 6, 2022 (4 yrs 4 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 #4,848 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 - Trust Funds 2022". 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 III awarded it to QUATRIX CONSTRUCTION AND SUPPLY INC. on 2022-07-06.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 22C00112: 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 2023-03-21). 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   f99a31f112…8a3848now      …
  2. 2. Block Merkle root changed
    stored   451de8f916…9bbff8now      …
  3. 3. Block #4848 hash changed
    stored   c0d2696a64…337b30now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 207 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f99a31f11221715909d8dcdcec3b33975ca1dc5572d88d93666e53a31a8a3848
  2. 01 R faf5188fb5ae3545f68ae871ea2b22b17b93fe7ef590754e1e917e7a4902ea62
  3. 02 L 76838651d6f2eaea1810370ed153df378f08097e0cda0f5c9e234ca2b1f59f29
  4. 03 R 27a632514e120a1158c50004f37da6e5470ef35baeeec68c0ed696947dfed8c5
  5. 04 L f5faec84a10f9d9e320e2b8aebc6702ccdc87c707e7473b09a6664079d8a8331
  6. 05 R 9fec83a8814b6ef28f531535249af8dae37fae3015537161aa948b07a184c77d
  7. 06 R fa1dad479688d8488cad7d5a7cc4ef3557e5c6c02b4392203b3e868b4bdcff49
  8. 07 L c6b6b353a625adceef61e419216aacaac5de79b642790f05bfce7a531be5185e
  9. 08 L 72bdef6f60b15021274861d62a2157bba818795d41c65b313d15100a0a5eed79
  10. root  451de8f91653ce9d99b5f7d42dfde7fbbf16ce11ebcaaf9404f08ff3659bbff8