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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 - COTABATO SUB-DEO Award a ₱2.9M contract to TAJ BUILDERS AND SUPPLYNational agencies

Transaction hash:
f42f99a3b4bdee346da84cf4de56484643d9336158545bad52fe1e39e674aa95
Status:
Included and unchanged
Block:
#4,302 1,711 blocks after it
Position in block:
Transaction 89 of 95
Award day:
Dec 9, 2020 (5 yrs 11 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 #4,302 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 2020 LP", i.e. the FY2020 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 - COTABATO SUB-DEO awarded it to TAJ BUILDERS AND SUPPLY on 2020-12-09.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20M00169: 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 2021-04-03). 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   f42f99a3b4…74aa95now      …
  2. 2. Block Merkle root changed
    stored   8731b78a2d…e13e77now      …
  3. 3. Block #4302 hash changed
    stored   f096177ec6…d3b559now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 94 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f42f99a3b4bdee346da84cf4de56484643d9336158545bad52fe1e39e674aa95
  2. 01 L f341a8162c5ee70a468de1d1cc8fb8ecd3aee41b6325600ed3bad02dfcdb2125
  3. 02 R a7c0f853107fc8c7de5ae7f288d5cb1f4aad67352720d39da33dc39d49dae1e7
  4. 03 R 5cc7d10960d4fdacff7f787be68f3c0a31f18943abadbcd370440c28baf1fbf3
  5. 04 L d85753a6f9ac1a267f0edbbb8fe0a0725e6bd3fcff42f7f9a9aa52821c58b7f9
  6. 05 L 52b411cccfd77bb44c56f83dddb42f9bad57538e8fd94dc5cfa602f136e333a6
  7. 06 R d66ffb05577336521de1eb2e06a923b8e77855269e973e187e64dd49fa66839f
  8. 07 L 89da34f3cbf6b530d70cc1a0a20a306014a30d1db4a40bb14a246f468b5e13ec
  9. root  8731b78a2df058490411a6f6ac85d3e45814e60561bdcab9a4cc51ea4de13e77