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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

MUNICIPALITY OF SANTIAGO, ILOCOS SUR Award a ₱6.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities

Transaction hash:
3f13a3e36fe62ca5a128fdf3ad9b23fbdab169dc26200bf49b13ede8b70a26b0
Status:
Included and unchanged
Block:
#4,028 1,985 blocks after it
Position in block:
Transaction 66 of 280
Award day:
Feb 18, 2020 (6 yrs 8 mo ago)
Value:
₱5,996,850.00
Project:
CONS. OF SANTIAGO FARMER'S HALL POB. NORTE,SANTIA

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 #4,028 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 2020-02-18.
    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   3f13a3e36f…0a26b0now      …
  2. 2. Block Merkle root changed
    stored   e52abceab0…0b6370now      …
  3. 3. Block #4028 hash changed
    stored   b5c844504c…e7d904now      …
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 279 records. Each step hashes the current value together with the sibling shown.

  1. leaf  3f13a3e36fe62ca5a128fdf3ad9b23fbdab169dc26200bf49b13ede8b70a26b0
  2. 01 R 3f2c24da3df17733028f6d4d4c9f9c05d36f72950a9d143ee1bbba4b00c8be3a
  3. 02 L c743878387e0b75fc0cc8b7679c8200602d8fae347f093044176e32a87b1a9a1
  4. 03 R 021d4d3700b7fe368d04b3cd82940c17ae42f929b97914474ec844c9cfdbc013
  5. 04 R 327ec878d81ad6bb61c499513f29efc14578a9119d7fe1d37991187bc85ef3fc
  6. 05 R aa4156df184a8e6ef3159fdd6b089d1e8fcf8a70530efe0eff5af86a0a8fc497
  7. 06 R e68fbb33ed4bc93d34f6a6eaed6c22f1db175b427343324034bfe66c744039ad
  8. 07 L 46088fd3d8365395ba91b4a9c616dcd0257ddb4165c3270d3005dfdfd2c9ab1d
  9. 08 R eb1cb4d98f282910acf227b907d7a51260baea0452f589314940485824ca0a7e
  10. 09 R 32f1741eb92c5409c15e7c652a986f54294a3a3504b7fff8e73aec3682f3c20c
  11. root  e52abceab0fd8d82f0fbb8e03c4d03022c78671168386d7af57b0d583c0b6370