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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 BACNOTAN, LA UNION Award a ₱4.2M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities

Transaction hash:
cc8db5ae511d4311e9b869cf508521ecb56c0561a51c481636be6e48d3c33b9a
Status:
Included and unchanged
Block:
#6,012 1 blocks after it
Position in block:
Transaction 0 of 1
Award day:
Dec 26, 2025 (10 mos ago)
From:
MUNICIPALITY OF BACNOTAN, LA UNION
To:
J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES
Value:
₱4,189,787.37
Project:
Improvement of Bagutot-Zaragosa Farm to Market Roa
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
MUNICIPALITY OF BACNOTAN, LA UNION
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 #6,012 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 BACNOTAN, LA UNION awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2025-12-26.
    Found
    Open
  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 Bacnotan gave a "qualified" opinion on its financial statements (not specific to this contract).
    Partly
    Open

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   cc8db5ae51…c33b9anow      …
  2. 2. Block Merkle root changed
    stored   cc8db5ae51…c33b9anow      …
  3. 3. Block #6012 hash changed
    stored   212930370b…8d0e7enow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (0 steps)

How this one record is tied to the block's Merkle root, without needing the other 0 records. Each step hashes the current value together with the sibling shown.

  1. leaf  cc8db5ae511d4311e9b869cf508521ecb56c0561a51c481636be6e48d3c33b9a
  2. root  cc8db5ae511d4311e9b869cf508521ecb56c0561a51c481636be6e48d3c33b9a