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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 - CAMARINES NORTE ED Award a ₱14.6M contract to N.E.B. CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
a5a30d02cd6ec1b72fb45d87659518abd7360d963ca33b86ae189e51551f76bc
Status:
Included and unchanged
Block:
#4,638 1,375 blocks after it
Position in block:
Transaction 141 of 230
Award day:
Nov 23, 2021 (4 yrs 11 mo ago)

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 #4,638 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 - CAMARINES NORTE ED awarded it to N.E.B. CONSTRUCTION AND SUPPLY on 2021-11-23.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21FC0089: 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 2022-02-15). 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   a5a30d02cd…1f76bcnow      …
  2. 2. Block Merkle root changed
    stored   5a7a381978…39f0f0now      …
  3. 3. Block #4638 hash changed
    stored   8f5f0b2ab2…1884c9now      …
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 229 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a5a30d02cd6ec1b72fb45d87659518abd7360d963ca33b86ae189e51551f76bc
  2. 01 L a57eef4f71ef5b6f547c324289b3df4645c329d52bc0208a24d9a58cb5bb63d7
  3. 02 R a5c3c5d2e0693677ed3eefe8554bf4e2c992eece0e25581c88107fd4b4fbe8c8
  4. 03 L 06a94c06ba8e834b2d52204926fcb584091fe6c99624fb8955069d1bb69021f1
  5. 04 L 3cdc97b5243a1aea65199df6bcf61e02ef0312fce1eca1333d1a725906bff5e7
  6. 05 R d0026d78a2695aae9137631b153b0a0d6bda5514fc09d4c2bd89eedbfff80b34
  7. 06 R e43215be8a202c27204acfd616726834e4b8eed47313a71d4105d79fdf2dd187
  8. 07 R 5ee23eee70fec6df837ab6c7a06cb2aecf00f89ae55999e4355368527ae60627
  9. 08 L 51f5bf90e5032faefa6ccec55f3d4aea602bd03221ae95782682224c35725049
  10. root  5a7a3819782ef3da731a4d4e4a9e28c2e50cdd86302967f36c6be5872639f0f0