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 - ZAMBALES 2ND DEO Award a ₱2.3M contract to ALFEL CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
d2ba85f4d3b6bad07822a49ac4b1d81337f4a298b270b817c086f67d356e2291
Status:
Included and unchanged
Block:
#3,573 2,440 blocks after it
Position in block:
Transaction 239 of 292
Award day:
Oct 26, 2018 (8 yrs ago)
Value:
₱2,325,044.79
Project:
18CM0103 - Concreting of Avocado St. New Cabalan

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 #3,573 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 - Support for Infrastructure Projects and Social Program 2018". 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 - ZAMBALES 2ND DEO awarded it to ALFEL CONSTRUCTION CORPORATION on 2018-10-26.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18CM0103: 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 2019-02-05). 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   d2ba85f4d3…6e2291now      …
  2. 2. Block Merkle root changed
    stored   dca747f3d0…a86d32now      …
  3. 3. Block #3573 hash changed
    stored   4fdd69c8cb…d2bc3enow      …
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 291 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d2ba85f4d3b6bad07822a49ac4b1d81337f4a298b270b817c086f67d356e2291
  2. 01 L cf31fa4656acd8083a59ec5e1905a622242f4057a94b01885791a558d5fe947b
  3. 02 L 6e256fe80731f6b09f03b817e38089fba286552b79fa2f16162834a1b568208b
  4. 03 L a987df377f59f777e37c45a0f6394025c14468d56bfe4d18e84f8218e0c72ed3
  5. 04 L 4156783b183b4698256de2dca6db8706ffeab2a61e41679f1c6186ff21de1b57
  6. 05 R 6a5f48e07452e44783e52c0c92828eddd2f307640491d8617088c01886c800b9
  7. 06 L 07bff108aeba3e7c7a8886556e6b1c91db022be496cfc7d6fd3dc597b42ded1f
  8. 07 L 1e6d8013ca45a50c13624df3cb350a4eecaa29a7669e1aaa93eabe7d2957c155
  9. 08 L 12579544a26873d22e6d23f6f55c089c57b54277e7184a6b25bf11eee45fd20f
  10. 09 R 068dbe7d10ad9d5ee224cfa0cdaef3717d36b499a7a6c76edcebb72c76634931
  11. root  dca747f3d0a1222c111c44d70463e2ae000641dc7bdf378d18c6bde268a86d32