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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 ₱477.9K contract to HEAF CONSULTANCY & ENGINEERING SERVICESCities

Transaction hash:
d99d3a2b2f8c50fb754adcc3bd5fca541e7ed55d8e2f6284f324dac56ba7f9f5
Status:
Included and unchanged
Block:
#3,366 2,647 blocks after it
Position in block:
Transaction 348 of 406
Award day:
Mar 19, 2018 (8 yrs 7 mo ago)
Value:
₱477,944.20
Project:
Construction Project

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 #3,366 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 2018-03-19.
    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   d99d3a2b2f…a7f9f5now      …
  2. 2. Block Merkle root changed
    stored   2e3b250d77…6643c8now      …
  3. 3. Block #3366 hash changed
    stored   0bfae71df7…ca8a6dnow      …
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 405 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d99d3a2b2f8c50fb754adcc3bd5fca541e7ed55d8e2f6284f324dac56ba7f9f5
  2. 01 R d9fb58a0fde98f3d083bf614835159ee7a1e9288577ba38efa9247ab3dfeb7a8
  3. 02 R d314f39488dc15d8588a181850118cafbeace83e0c96b1bcacb582311acd1cb5
  4. 03 L e557d7ee8fd0e734604fcaf85ee4a0bb670bd44b7339f652fd52a04fd8b7f7b6
  5. 04 L 0ca7b63e1e807a1023719ae5ecf7eaba4edaa73900a9bcd5c77137ebef32d881
  6. 05 L 6b260a3c36effd7d0985fea955f1a1ea51e112700712706159781fc8affdbc5e
  7. 06 R da70ae920b63a01218182069e3f07595662c23075cda11374c3076bbddae4ba3
  8. 07 L 2cdf57886ffebe4d075be03c5853e156dd7e0e73f3b6b50c3936882fb626e068
  9. 08 R 539756fc50069937b76104c6a0b9eed01ab79d040f03aa7801f0dc098c5cffdf
  10. 09 L fa835a7619fdb70962c7b6238acd2dd4f9d50d1ed363723e3c3a0663da8fa96a
  11. root  2e3b250d77648d1e8922910d3fc5b1b77c5336e810cb5012b4fd1bc92d6643c8