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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 - CAMARINES NORTE ED Award a ₱14.3M contract to O.L. DE LEON CONSTRUCTIONNational agencies

Transaction hash:
419bb38c424d644aca0a190d3fcfa1edbc86dae4e4830864e28ccf93f4dfa4e8
Status:
Included and unchanged
Block:
#2,990 3,023 blocks after it
Position in block:
Transaction 95 of 380
Award day:
Feb 13, 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 #2,990 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-1", 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 - CAMARINES NORTE ED awarded it to O.L. DE LEON CONSTRUCTION on 2017-02-13.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17FC0011: 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 2017-08-19). 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   419bb38c42…dfa4e8now      …
  2. 2. Block Merkle root changed
    stored   900a04488c…c2aca8now      …
  3. 3. Block #2990 hash changed
    stored   3428e256ce…475ec4now      …
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 379 records. Each step hashes the current value together with the sibling shown.

  1. leaf  419bb38c424d644aca0a190d3fcfa1edbc86dae4e4830864e28ccf93f4dfa4e8
  2. 01 L 4167dcf119b5e5dc0108dfdc1e7b89868c299c92d5561854f91de21978dd5620
  3. 02 L 3d203a5f32405fe76e4d2fe033e736127ac90ccfbcf31ecb8f9d30c1759cdb3d
  4. 03 L c5fb973e2feacd99c2f8d837fee5b98abd4dc66d6366b82ed1dd7e2bc8859366
  5. 04 L 9b547d89de2824d23023dbedb083078193d241266ee4ad541dfd7c643a012c91
  6. 05 L a7a07e83e9fc0893f641f381f186f9d4a1794aedebe3e5fc3e61895acf8a9ae3
  7. 06 R bfb740cd6560e2e2a8aa7effe7c97e6a951cf52db93164eb3205b7134428e34a
  8. 07 L cac093c63b680806c5d402d69d4e57caca66f7daec1414648f9bed8bf5c9e50a
  9. 08 R a11e8b0c8199fbefbfe8694f14d235925da1c08fd9eef07bb5a4cc5ef0bdcd54
  10. 09 R e0d12b4ab9c24c172357fb98392c914098ccb539a46ec537e2ace73ce8862db6
  11. root  900a04488c92e9fd24beda0e427e9a5bb76df5fdf0911dc7664daba1fbc2aca8