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 - BULACAN 2ND DEO Award a ₱959.0K contract to SANTIAGO-GALVAN CONSTRUCTIONNational agencies

Transaction hash:
12bcbc1e15843b6eb70bbfeb0aa3de905ff9d22a6d3181a355039a8ac33b9e55
Status:
Included and unchanged
Block:
#3,395 2,618 blocks after it
Position in block:
Transaction 13 of 180
Award day:
Apr 19, 2018 (8 yrs 6 mo ago)
Value:
₱959,018.05
Project:
18CD0210 Rehabilitation./Improvement of Road

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 #3,395 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 2018 LP", 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 - BULACAN 2ND DEO awarded it to SANTIAGO-GALVAN CONSTRUCTION on 2018-04-19.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18CD0210: 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 2018-05-28). 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   12bcbc1e15…3b9e55now      …
  2. 2. Block Merkle root changed
    stored   181205b9a4…cbeb28now      …
  3. 3. Block #3395 hash changed
    stored   731d4ecb54…cf18e1now      …
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 179 records. Each step hashes the current value together with the sibling shown.

  1. leaf  12bcbc1e15843b6eb70bbfeb0aa3de905ff9d22a6d3181a355039a8ac33b9e55
  2. 01 L 1233f6412c202d0571f8e0a80633e4ae958b64698247d13afd1d5ee8182e9f4c
  3. 02 R a6e65204034efac1cc0c47ff520af7e76d2642e5269f5acc0bf29245bb57b022
  4. 03 L 2bf8d1f3c3c14bc1c3df42a0ae12523fb12200e3af1dd5a984ee7cdd5b95fe02
  5. 04 L 29ddf14c84a6ca4936c55832bb5d0d858a4bb5a3d2b7bfca896bdae47451f5fc
  6. 05 R 7fa397db56522b2298a89ca26c5fa67f4497f783c08553af4d80dbf2933264b4
  7. 06 R de6c6d563aaae61db8768f40fcfe774f9f656da89fc57c2f1de8d8088d259ff0
  8. 07 R a8e2ada3bcccc699b1fbefd4a3fd3218a17848d6474d3ed114e6d26e39357094
  9. 08 R 6ddd27d20cf2d5c7d1af8510543850727e5191f71e9f53c6ddaf32d514bdd92b
  10. root  181205b9a4bf32bde5f5f3b75e71bad1ff440fae2ca5417b3494591364cbeb28