Skip to content
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 - PAMPANGA 1ST DEO Award a ₱4.7M contract to AYSON P.D. CONSTRUCTIONNational agencies

Transaction hash:
defefb2a9c90d5412e7de7f0b8cdef2ac8999561f34825298eb36fa34fcbd21f
Status:
Included and unchanged
Block:
#3,513 2,500 blocks after it
Position in block:
Transaction 153 of 184
Award day:
Aug 23, 2018 (8 yrs 2 mo ago)
Value:
₱4,703,670.90
Project:
18CG0319 - Concreting of Brgy. Lacquios – Brgy. Sa

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 #3,513 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 2018 DA FMR", i.e. the FY2018 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 - PAMPANGA 1ST DEO awarded it to AYSON P.D. CONSTRUCTION on 2018-08-23.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18CG0319: 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 2018-11-02). 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   defefb2a9c…cbd21fnow      …
  2. 2. Block Merkle root changed
    stored   4501714666…1db703now      …
  3. 3. Block #3513 hash changed
    stored   30cd027470…13d411now      …
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 183 records. Each step hashes the current value together with the sibling shown.

  1. leaf  defefb2a9c90d5412e7de7f0b8cdef2ac8999561f34825298eb36fa34fcbd21f
  2. 01 L dee84b938233421ced0b5a206f87716a460a3ed3852b6be06270a49f7c5aab28
  3. 02 R 05335317d467cc0d414a3272e3a64c7c2e48d1d7bdd9ec16be07272bee7db278
  4. 03 R eb84876d4b9474678308683c141eedb8da8b423742d4991c8ca1c105d7faa074
  5. 04 L 6b2651efb015bd1391dbb51ddedf8bc688e8b7f3bd4802a1403e7af279634b8e
  6. 05 L 6fc3e5bea5027931c9ac7815fd131715c23e388934491911c6697676467e4011
  7. 06 R e02f4a3df7cc50a83ac2100347ac248292a52ee7ed0cf83050b4307e434b77f4
  8. 07 R 7f20078256b9987da709515871f4f54c772da1d52ade5d48f4952882c50be584
  9. 08 L 672ee339ec6709434af16d2e3446f008df5f9908f2515db029ac8cb0be1d3c03
  10. root  450171466660bcb01f2c4b9ef1a467bd7d17d5513602cc169e6b8efeaa1db703