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

MUNICIPALITY OF SANTIAGO, ILOCOS SUR Award a ₱2.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities

Transaction hash:
08b3fa6e9e280313dfab829259d37df9911615a201af3715d41a91c943d02dd9
Status:
Included and unchanged
Block:
#2,990 3,023 blocks after it
Position in block:
Transaction 4 of 380
Award day:
Feb 13, 2017 (9 yrs 8 mo ago)
Value:
₱1,998,170.00
Project:
CONS.OF RIVER CONTROLSAN JOSE,SANTIAGO,I.SUR

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)
    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)
    MUNICIPALITY OF SANTIAGO, ILOCOS SUR awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2017-02-13.
    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)
    COA's CY2024 audit of Santiago gave a "not stated" opinion on its financial statements (not specific to this contract).
    Partly

1 of 8 documents found, 1 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   08b3fa6e9e…d02dd9now      …
  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  08b3fa6e9e280313dfab829259d37df9911615a201af3715d41a91c943d02dd9
  2. 01 R 08f95c69d9f03e04883cd83bec95201a04adfdef9ec8208e9bab86cc9bfb01fe
  3. 02 R 1cae4c396e62ef29447d6e3b07f565ece9cf61936c44328e9dc8e88bcab19ba3
  4. 03 L b369b78cd008e5f75fff105e8b1ebe3a9cd81f4355659f9d161b9fc56b815d8c
  5. 04 R f7efd44474ba3255eb9b69ffe29ce11c638f930628e6c3f2d4afa4dbe510644b
  6. 05 R c4b3d14aa95c0b011166ab253284a6fe32d4efe52b08075e42ea5efd045e1e69
  7. 06 R 6a82115d23d1e605eaab05fc5ac1a97d75be1eb2c1761c792e0ca80178e39e2c
  8. 07 R 3e281013789129e62d84497486fc69e404d353a5cd97a087fb8558c8b45c20e4
  9. 08 R a11e8b0c8199fbefbfe8694f14d235925da1c08fd9eef07bb5a4cc5ef0bdcd54
  10. 09 R e0d12b4ab9c24c172357fb98392c914098ccb539a46ec537e2ace73ce8862db6
  11. root  900a04488c92e9fd24beda0e427e9a5bb76df5fdf0911dc7664daba1fbc2aca8