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 - SOUTH METRO MANILA Award a ₱47.5M contract to G.F. FABIAN CONSTRUCTIONNational agencies

Transaction hash:
e46b21fa7d8142e5068d4c356072244e6be75f893e71229b0ac56e967c258229
Status:
Included and unchanged
Block:
#4,557 1,456 blocks after it
Position in block:
Transaction 226 of 261
Award day:
Sep 3, 2021 (5 yrs 2 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 #4,557 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 - SOUTH METRO MANILA awarded it to G.F. FABIAN CONSTRUCTION on 2021-09-03.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21OH0146: 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 2022-03-29). 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   e46b21fa7d…258229now      …
  2. 2. Block Merkle root changed
    stored   339db7e7ca…a7e81bnow      …
  3. 3. Block #4557 hash changed
    stored   95f1396003…ff3f80now      …
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 260 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e46b21fa7d8142e5068d4c356072244e6be75f893e71229b0ac56e967c258229
  2. 01 R e46e6adb837ce4be7dec63d6e6d8542d49cb22c9c53a007834fc1ee3c9c3b297
  3. 02 L bc3b54efa12672205daf29d6b3c2564675c4596c491c6f1a90adba9685d081cb
  4. 03 R 2ef55f64aa26ed07c58534ab9032a74bcda29b7d89b5098b859eebf93c7fe1ad
  5. 04 R aedcf9fe725488abb948640833f25522d5e642182c4714f24fb0198d451bf31d
  6. 05 R 8f0e08e836a499416b10471374ee3315d0490f7eded8092671256ea0aacb3f55
  7. 06 L a05244901dbb22bfaa1e1cf8af878e990c72f1caf302c005ae6a83c86cf15d05
  8. 07 L 84199bdfcb327b352636951e1a73c5c89dec1a9cc1ec31c83a32743455317ff7
  9. 08 L cf6f3e3cbb57268d618f0cdd8b54b2ff15c7e76bf9f74b44dd1c5ba26f41227b
  10. 09 R a094cac5a65a8b303d34d997862be0a9470f30922049dd1f77987b56a77df823
  11. root  339db7e7ca2394b5f99b2c353fe6e241d11a02da56a059078c2cc25c7ba7e81b