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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 ₱4.8M contract to O.L. DE LEON CONSTRUCTIONNational agencies

Transaction hash:
140afa948e882dcbcaa70fbc80a534a8fb9c8a319b5e8a9a969208be28177f4a
Status:
Included and unchanged
Block:
#2,745 3,268 blocks after it
Position in block:
Transaction 6 of 88
Award day:
May 24, 2016 (10 yrs 5 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 #2,745 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 2016 Locally Funded Projects", i.e. the FY2016 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 2016-05-24.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16FC0028: 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 2016-10-17). 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   140afa948e…177f4anow      …
  2. 2. Block Merkle root changed
    stored   f05e59e2ce…fa0d43now      …
  3. 3. Block #2745 hash changed
    stored   f41569394d…b51756now      …
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 87 records. Each step hashes the current value together with the sibling shown.

  1. leaf  140afa948e882dcbcaa70fbc80a534a8fb9c8a319b5e8a9a969208be28177f4a
  2. 01 R 14892bd0d991f1d33b75306a55e81a6c565e7811ae561ffbff7823891ee9ed1a
  3. 02 L 141f5e6329e1e33c450e6e65eef629d6086901a46ffee353e425f189bfacfda9
  4. 03 L e55e40bf4c0ab916e8424711f96e2927fd6c2f3961cba88a7d9c8997f48cd509
  5. 04 R d6165dd21cd46d1e1a6c786510642f6f1286fe5a929213d9468e30f761d30831
  6. 05 R 9835a68eeff6932024631bf8e6157f3f7d0fd4e6a66cfe35b555451d9523275a
  7. 06 R bf557345d2745f35585328928a5fc963af2e159be7fada8059989708db21c5fe
  8. 07 R 67f08fde62ce81a53926359d9a921bc4db827ad60fe760b51afb26359cc7e344
  9. root  f05e59e2ce6e63cc5c26570b7599fb40781c21d8a38d42d5a988d2553cfa0d43