Skip to content
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 - COMPOSTELA VALLEY Award a ₱68.0M contract to O.G. SANTOS CONSTRUCTIONNational agencies

Transaction hash:
ebd58c48a26ee5d83cb9565d9f61fae1ec764f98c3cc8b91ed6345e3ea20fc4e
Status:
Included and unchanged
Block:
#2,996 3,017 blocks after it
Position in block:
Transaction 189 of 201
Award day:
Feb 21, 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 #2,996 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-3", 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 - COMPOSTELA VALLEY awarded it to O.G. SANTOS CONSTRUCTION on 2017-02-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17LA0053: 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 2018-02-09). 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   ebd58c48a2…20fc4enow      …
  2. 2. Block Merkle root changed
    stored   7a15f1d679…0678banow      …
  3. 3. Block #2996 hash changed
    stored   27e963e27a…134b50now      …
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 200 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ebd58c48a26ee5d83cb9565d9f61fae1ec764f98c3cc8b91ed6345e3ea20fc4e
  2. 01 L eaf357854a61a8e3a59cd3581c7ebf63e5db0ef97d1942669270200bba643913
  3. 02 R ac826340c80554ee05bd326317a5f1926e34d53b70ba268b4800585b1e15fa05
  4. 03 L 170efec3872fe989c7116645569b3711804273f05665aec560a73e12019fe4cc
  5. 04 L 2c3e8d7ff97e93e17d08d449b0eeb0f1f142389c7869063bc5407769802bbfa9
  6. 05 L 02b005f683bc3a055164aab2d8757a9620bf61850a33a11c9f269c3e69859dba
  7. 06 L e532284ea15d19aaf23e72ab81b422536532d50a3f5dabfa348c1a6d6a753594
  8. 07 R 6d69c7c7f6c9a548be18348f8389dd6a9144af0f63d995afbd8ef2ca95bceddf
  9. 08 L 1b13fc136658d87fa6b2d4da576e88e00f3e81ee69e1d9781e068857d3add2ad
  10. root  7a15f1d6790d7563073e667af6f9f5037c7eacab7fad1ffa3dec72dcbf0678ba