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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 - DAVAO ORIENTAL 1ST Award a ₱9.4M contract to O.G. SANTOS CONSTRUCTIONNational agencies

Transaction hash:
285a4db3606f65082d4ebabd9c0c9a5d9be8921bdeab332fba2869205fc9d62a
Status:
Included and unchanged
Block:
#2,067 3,946 blocks after it
Position in block:
Transaction 15 of 95
Award day:
May 5, 2014 (12 yrs 6 mo ago)
Value:
₱9,395,099.95
Project:
(14LF0007)Conc. of Road Highway Junction to Brgy.

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 #2,067 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 - DAVAO ORIENTAL 1ST awarded it to O.G. SANTOS CONSTRUCTION on 2014-05-05.
    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   285a4db360…c9d62anow      …
  2. 2. Block Merkle root changed
    stored   dfa3fe1696…3268f7now      …
  3. 3. Block #2067 hash changed
    stored   f38e43db2b…7474e0now      …
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  285a4db3606f65082d4ebabd9c0c9a5d9be8921bdeab332fba2869205fc9d62a
  2. 01 L 271a5de17cf69ab10500d402842fc5d5ace920af9ceaed8b52241caf4a10a3e8
  3. 02 L 1180b72909a5eed56051d8d4bcf1b01115deffd2aa2bc78f509a58d8878eb351
  4. 03 L b45a05b90e114d4c8e507a4883da603728455d0716d3e9da103f7d4b9554bb18
  5. 04 L 7db654a50233748835c350326d5296484606069185a00677c0978d25f5bf8d7a
  6. 05 R 708ce9f9581f56f5a52f4f76e84adda74f057367cf151bd8eb8ae8b6956e4e02
  7. 06 R 42bb81f5d1d431c4cc9df311b2b998d290c49013fd31a36cf8eaad4aa8a0812e
  8. 07 R db1e45eaa68106c5c5f61c602956bb25eca2c83436af47428d82f164550fc946
  9. root  dfa3fe169626a73d28347202661ccb0684185e5e4ea09fb29fdf4a56173268f7