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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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BENGUET 2ND DEO Award a ₱3.0M contract to DAMAYA CONSTRUCTION SERVICESNational agencies

Transaction hash:
53174e73f220b4cd406c4e86f066ec494c3232dd5f312cbf0b0623d2bf5180a9
Status:
Included and unchanged
Block:
#4,635 1,378 blocks after it
Position in block:
Transaction 2 of 8
Award day:
Nov 20, 2021 (4 yrs 11 mo ago)
Value:
₱2,950,524.74
Project:
21PF0105 REHABILITATION WATER SYSTEM KAPANGAN

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 #4,635 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)
    DPWH lists the funding source as "Regular Infra - GAA 2021 LP", i.e. the FY2021 GAA. The exact UACS line is not given.
    Partly
  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)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BENGUET 2ND DEO awarded it to DAMAYA CONSTRUCTION SERVICES on 2021-11-20.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21PF0105: Completed, 100% physical progress.
    Found
  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)
    DPWH marks the contract "Completed" (end 2022-04-14). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 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   53174e73f2…5180a9now      …
  2. 2. Block Merkle root changed
    stored   e1dcb453f5…46c3cdnow      …
  3. 3. Block #4635 hash changed
    stored   c0793866af…ef55bdnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 7 records. Each step hashes the current value together with the sibling shown.

  1. leaf  53174e73f220b4cd406c4e86f066ec494c3232dd5f312cbf0b0623d2bf5180a9
  2. 01 R 7a76259759db7f4150f6ea43e28d1963a91291489f18142d486c47192cbef459
  3. 02 L 853597505fcb02b922be9e3de7c02390693536fd06450cd95588dc7dc81015db
  4. 03 R da617b86e25c21c9e3ce718eaca59167f2761ff3e3864cd32aacb6a379c0c59b
  5. root  e1dcb453f5c616cd8473df1d84e7ea129da167c460fac69b2c0d2f256946c3cd