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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 - CAGAYAN 3RD DEO Award a ₱3.2M contract to CASAN CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
a9028504b95b1beb7bea7dcafde3529455bf97e9c4364f55a8a3374195c9b43c
Status:
Included and unchanged
Block:
#3,074 2,939 blocks after it
Position in block:
Transaction 153 of 228
Award day:
May 12, 2017 (9 yrs 6 mo ago)
Value:
₱3,229,727.27
Project:
Construction of Rainwater Collector System (RCWS)

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 #3,074 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 2017 MFO-3", i.e. the FY2017 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 - CAGAYAN 3RD DEO awarded it to CASAN CONSTRUCTION AND TRADING on 2017-05-12.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17BD0090: 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 2017-06-25). 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   a9028504b9…c9b43cnow      …
  2. 2. Block Merkle root changed
    stored   5f2bd1ba01…3bfcc0now      …
  3. 3. Block #3074 hash changed
    stored   ab20b426d2…c9b9f1now      …
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 227 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a9028504b95b1beb7bea7dcafde3529455bf97e9c4364f55a8a3374195c9b43c
  2. 01 L a7c3f1a86d0ff3e4cc72394577d034c77d596c76e175d782233a1f7480d6f180
  3. 02 R 15fbbdbf79e557d8170ffc2930d63264b97d73a429e1c21cfca952c48e10141e
  4. 03 R 305d5462ae7c955f07c966286320bfd2176525512dafa51829fb1bb71d57bcbd
  5. 04 L cb024b55cf943366a4754119401a1fe8ffd962129fc401473261ceaff5f984d7
  6. 05 L 49a065c5fad426af167155d7afffe25b3cd2a77eec3f6a6008d8bf86a6387738
  7. 06 R 5752c58d6dd3dd3b34a900b8542b61c1655d45ffa41fb3ce5030800a9608a403
  8. 07 R e33d239151b7acfefbf079a86ff718646f871fd3cdb52e239b9ab3ccc174ed86
  9. 08 L 12d198e1d28b3d695c678711bdfea80fba0370eae89f94fdba28e3c748bbc9a5
  10. root  5f2bd1ba01087668b46ca3e3797ed55d829eda2b72e04b0f74c6b4b4de3bfcc0