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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

CITY OF VIGAN, ILOCOS SUR Award a ₱171.9K contract to HEAF CONSULTANCY & ENGINEERING SERVICESCities

Transaction hash:
52bf386eb04d78da2674cdc5bf4d9404710f7d0b969ac7c33a54fd6a57cef97f
Status:
Included and unchanged
Block:
#2,822 3,191 blocks after it
Position in block:
Transaction 65 of 203
Award day:
Aug 15, 2016 (10 yrs 2 mo ago)
Value:
₱171,914.40
Project:
Construction

Accountability

Bill Sec. 3 and 19
Responsible agency:
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 #2,822 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)
    CITY OF VIGAN, ILOCOS SUR awarded it to HEAF CONSULTANCY & ENGINEERING SERVICES on 2016-08-15.
    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 City of Vigan gave a "unmodified" 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   52bf386eb0…cef97fnow      …
  2. 2. Block Merkle root changed
    stored   546ab334e8…319e3dnow      …
  3. 3. Block #2822 hash changed
    stored   4390dcb1e9…69d772now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 202 records. Each step hashes the current value together with the sibling shown.

  1. leaf  52bf386eb04d78da2674cdc5bf4d9404710f7d0b969ac7c33a54fd6a57cef97f
  2. 01 L 4fb4ebec7a7f592c78e74fd4f475d4fec77b7dda0e2bd31c87f9d0c53742b5f6
  3. 02 R fd187d2b82f986d44a3083e66c0552590d16e24ecce60259c482feba7a23be6f
  4. 03 R f01cce145d333157f9aabc29d63b43694d91efcfc7a9ea4451de2b5eed27c7d3
  5. 04 R 18044f3c34554f0dc6635b3b42dd0f4c1f9be36b7ccd3becbdad421d3bde012d
  6. 05 R d789d9378ef949a4e5f9e4c449cfa9b62a29258485e438f1f867ab0df443746a
  7. 06 R 7a0412525d77009841d2823e7ac7e4a6785df56c41a8411934b06215f2177630
  8. 07 L a94dc4c104a7efb4b5b1961e753ec83b692a24b408f0b9f34ae3ae35ad90724f
  9. 08 R 4248427cfd86ca5dbd71ae6b1061f1268753db6fb1b595b2438206e4a433d806
  10. root  546ab334e82086ddbb7d4e06a3a07255779c2b667e7f4e976e2249f6be319e3d