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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 ₱10.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities

Transaction hash:
a3e5cc80c1abeb6cf4effc7f31bfe6935a931bff27bbc61598f2412a231f4287
Status:
Included and unchanged
Block:
#5,080 933 blocks after it
Position in block:
Transaction 248 of 375
Award day:
Feb 28, 2023 (3 yrs 8 mo ago)
Value:
₱9,989,650.25
Project:
Construction of Bridge and Farm to Market Road

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 #5,080 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 2023-02-28.
    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   a3e5cc80c1…1f4287now      …
  2. 2. Block Merkle root changed
    stored   f6044c3c93…858df0now      …
  3. 3. Block #5080 hash changed
    stored   1a00d5811d…bc49d6now      …
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 374 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a3e5cc80c1abeb6cf4effc7f31bfe6935a931bff27bbc61598f2412a231f4287
  2. 01 R a5df794b27ac410796061c2204181b520e7a0d3a46d2a1533ca865e0b34ca67a
  3. 02 R cb5609af0854f5bfd38bee73bd63d9e0d4949496a00228491db9e3bb48aac20b
  4. 03 R 6b5ed3ce4c1b88f1ca5bf0723ba74def93dedb544ccbe7a136dceb47bf5a5501
  5. 04 L 17a3103901c5817b13d601ca7d6e10355b332effdb4d20071d7a252fe7a06677
  6. 05 L 49def54b80431156c54958ca1c92c1913cb560cf74484d3e4446592fc7955181
  7. 06 L 9ebdea62e829083f39c5e13ec34963357be83abe30606155e2895a4f6ff60e4d
  8. 07 L 07144c5486bd3dfeb4f8769c8f9070ec86c2d130802ba984c7f7388c5ce968b0
  9. 08 L 18383bdf756814aefaed7350312257f621f670820e6c5d4869fa4dae2ff02956
  10. 09 R 5af9694a126800f2da69a532972cdda7526eb86f4cf7fa9726ae9eacad64c1a3
  11. root  f6044c3c93e844a0ea9b4c290996a2cb9b1146b68d6cf8fac401fb38cb858df0