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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 - LA UNION 2ND ED Award a ₱1.8M contract to E. E. MADAYAG CONSTRUCTIONNational agencies

Transaction hash:
a01dd5f54ee34eaaa6d6bbb237538c1388dfddacfb7e88d4afa9f52f743ae008
Status:
Included and unchanged
Block:
#2,992 3,021 blocks after it
Position in block:
Transaction 139 of 237
Award day:
Feb 15, 2017 (9 yrs 8 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 #2,992 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 LFP", 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 - LA UNION 2ND ED awarded it to E. E. MADAYAG CONSTRUCTION on 2017-02-15.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17AF0023: 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 2017-04-04). 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   a01dd5f54e…3ae008now      …
  2. 2. Block Merkle root changed
    stored   096ecce4d4…31c643now      …
  3. 3. Block #2992 hash changed
    stored   f0049fbf53…3d7a8fnow      …
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 236 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a01dd5f54ee34eaaa6d6bbb237538c1388dfddacfb7e88d4afa9f52f743ae008
  2. 01 L 9e9c32d12ba7d60cc91789e05c4c0b8dc88f986164a61ff5033ce5c44cc13707
  3. 02 L 7e5a6ba06657dfaef3bfba6d229c3b7be3518b928878ae06c5e0905744704b43
  4. 03 R e6dcc1414e32dfa1fae02eec6878517a0f00f1e4a93fa8785876709cd6e7a8d2
  5. 04 L ec960c2d8e93ed80586740f00d0af97b2852fdd11cb189cb73f235370a8ca549
  6. 05 R 7a8414915d7c5444bf191b61237defa17c4387f7ebe8cdb1fc9a99a5c7bc6c0a
  7. 06 R e2ef0aed0f2a29295b8f4cc923c6f844e3eee93ecae413a991d35ed7207fc5b6
  8. 07 R 858f34a0993a6aab865ed3ba41276315e7c69620f894148a393767cc5bf1ab9e
  9. 08 L c604bd9930461f26422c9a4bd07732f9cd99a8c62a8ec41c5edc6cb774a8d9bb
  10. root  096ecce4d4008e9ffd7448d4872a56f697580fb45cc9c97b1dc1f4907131c643