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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 - QUIRINO DEO Award a ₱2.4M contract to NC CONSTRUCTIONNational agencies

Transaction hash:
f4a4e499c9a06a477f0bdd927706a0129b1c667629b2328f7ab47d40d881d143
Status:
Included and unchanged
Block:
#2,798 3,215 blocks after it
Position in block:
Transaction 130 of 140
Award day:
Jul 20, 2016 (10 yrs 3 mo ago)
Value:
₱2,400,590.63
Project:
16BK0102 - Construction of 1 SHS Unique Workshop

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 #2,798 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 "Outside Infra - GAA 2016 DepED BEFF", i.e. the FY2016 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 - QUIRINO DEO awarded it to NC CONSTRUCTION on 2016-07-20.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16BK0102: 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 2016-10-26). 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   f4a4e499c9…81d143now      …
  2. 2. Block Merkle root changed
    stored   6f16734b1b…652be5now      …
  3. 3. Block #2798 hash changed
    stored   72a387cea9…12f21cnow      …
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 139 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f4a4e499c9a06a477f0bdd927706a0129b1c667629b2328f7ab47d40d881d143
  2. 01 R f4e3a2f6122298884092be483ac9470d31235c071101379d7e40a87d47dded4b
  3. 02 L 5bd394ecfb9b12462b44ba770b50cbd5b8c008fbbafa0fbaab046dfe2dc860a8
  4. 03 R 9b25063fe018639be1be06ed0ff6bcb25eb2b3bf278c3affd4c2f2e3d70c56c3
  5. 04 R 733e38fef9b6ae02497e2bacab868308af206a533c7d3fa4a7aa98d70a5ede20
  6. 05 R e864c33707c2a772c44f52f4c29f9b49038c2aa0644fa1ac70d4b10b0d7fa57e
  7. 06 R 01e62191f88f702086fd3537f03f38d683def2eeca158a0323a71cb77f1d92fe
  8. 07 R 87d06e5c3b2114e6335c54638c1d2274fce6dca478c283f2f5919fc5265d93cf
  9. 08 L d84fbc88d97d827b48b840ffb657b045494318d20ff79c2bd6e23b8e8c50183b
  10. root  6f16734b1b589351c35a613e763c44dd8c66dad569d9fe95b53eac1f07652be5