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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 - TARLAC DEO Award a ₱377.5K contract to DAMICO BUILDER AND SUPPLIESNational agencies

Transaction hash:
b42e00f5a7da313c41d584c57672dc37e581674f64f4824ce332da44f28c427f
Status:
Included and unchanged
Block:
#3,462 2,551 blocks after it
Position in block:
Transaction 361 of 506
Award day:
Jun 29, 2018 (8 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 #3,462 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)
    The award does not say which budget line pays for it.
    Not published
  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 - TARLAC DEO awarded it to DAMICO BUILDER AND SUPPLIES on 2018-06-29.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   b42e00f5a7…8c427fnow      …
  2. 2. Block Merkle root changed
    stored   3cf6dc3661…f5c70bnow      …
  3. 3. Block #3462 hash changed
    stored   f9edc19828…42ba34now      …
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 505 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b42e00f5a7da313c41d584c57672dc37e581674f64f4824ce332da44f28c427f
  2. 01 L b3ec0269b3178a88fd6e7eeeb101e931912d6d77e4ec6ba620d58409b1f445db
  3. 02 R 8cfbb17f1d24536b95acd8fba515446cb9bc7ae89ec1864ff37b5148663fdda6
  4. 03 R 06e2c2f7c47c23162aba725b289e60486aad7e137541ac9512b7d517ad0262da
  5. 04 L 0e4454718bff06a36f16cf3e95eaa3aec521beb50c1c26990357a0af326e891f
  6. 05 R 8bd105802d04331a2a4cb7ab3998c1734318a3755bb131eabf6e57e0a460535a
  7. 06 L a0a06433d6bf10345b966ec62d3dae01cdaf6ae4ac33883c83534f88759714cb
  8. 07 L 78b6701d0b1fb81ab82523738389092a378ef7ad8198d03cf2377264d049b97e
  9. 08 R b9d99a3b103b86b3ee98ed5943f03742005ec2323005249e275f8799b966dad1
  10. 09 L cc089fc6e663c61006150c17c1e7ea9bc99e2ce9193b786411ad3b4a0bf2e778
  11. root  3cf6dc3661b7f274d3bbaf47ec04a279313f6eae818b47a4870cdde858f5c70b