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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 ₱20.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities

Transaction hash:
df93ae5a71290f1091f2cc40d76fb9f6fe3d57944aa9c3e728404ed4ea92ec98
Status:
Included and unchanged
Block:
#4,519 1,494 blocks after it
Position in block:
Transaction 266 of 300
Award day:
Jul 26, 2021 (5 yrs 3 mo ago)
Value:
₱19,964,830.77
Project:
CONCRETING OF FARM TO MARKET ROAD MAMBUG-BIGBIGA

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 #4,519 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 2021-07-26.
    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   df93ae5a71…92ec98now      …
  2. 2. Block Merkle root changed
    stored   50c789a116…aa9007now      …
  3. 3. Block #4519 hash changed
    stored   8d051704f8…28fdddnow      …
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 299 records. Each step hashes the current value together with the sibling shown.

  1. leaf  df93ae5a71290f1091f2cc40d76fb9f6fe3d57944aa9c3e728404ed4ea92ec98
  2. 01 R e16d0942536387f7fe266cbd564b4824ad91dd7dff5b7a542dc6d204705c390b
  3. 02 L d87df480818539942a233e9df2d1c5f5465b7ec7f539581c6e44e7bfedaf6e02
  4. 03 R bc85535ccc0594335b53d0b2cab2572652a22178bb017d0bf1cd2cdce8c7a8d4
  5. 04 L 17b3f222676b5c0ae70f1bb444ee63c72864c2ae646867c6f6204dcedec9471f
  6. 05 R 83314d4cd97d650584cdfcd24f7746b8337ddffa873fba9da7ecd0cb007c4487
  7. 06 R 9dd3779a669dc82a019daa8ee25e8eeaa790912a476ebc77eedd597418504202
  8. 07 R 48f7556cef33a0ac09f5dbcc158d690268f0b6de0b4ca6af4ed45ef03dcf0988
  9. 08 R 2a516081749b23cd65b25df4d4a5608b0a0f8f51f9dd4f118c30ab62a5b42bb5
  10. 09 L 8b7cce7b5aacde1cfe1f5cc921b585f0ee5f908fb82d289912864a8f70b53ca2
  11. root  50c789a116aeb0c0819ab3f3ce4f0fa5271b2135f99dbae0a497731527aa9007