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 - ISABELA 4TH DEO Award a ₱2.4M contract to CASAN CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
bb8c96aff7a2fa6a74e8fe9e218e02a84e32339d4451be72957a1964a60f8aa2
Status:
Included and unchanged
Block:
#2,903 3,110 blocks after it
Position in block:
Transaction 116 of 167
Award day:
Nov 11, 2016 (10 yrs 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 #2,903 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 DOH HFEP", 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 - ISABELA 4TH DEO awarded it to CASAN CONSTRUCTION AND TRADING on 2016-11-11.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16BH0027: 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 2017-04-12). 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   bb8c96aff7…0f8aa2now      …
  2. 2. Block Merkle root changed
    stored   fd421f9c22…c96803now      …
  3. 3. Block #2903 hash changed
    stored   ccfe4f01fe…fea888now      …
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 166 records. Each step hashes the current value together with the sibling shown.

  1. leaf  bb8c96aff7a2fa6a74e8fe9e218e02a84e32339d4451be72957a1964a60f8aa2
  2. 01 R bd316c02dc53e3382817985ac0812edc2bf1b83dce3fa3d5f4f7725d48d37706
  3. 02 R 1b24511bec1b1a5a1b6565608fbaee357e0ec0d36d4e7c79f4ac5575c226059d
  4. 03 L e6f3c3649fb2e67f3fa9c8e4efcf22955d288079a5c0ce01618498207722ae35
  5. 04 R 284725213c53a28e2e395c17b04f42fe0fef126d01c81695d5d5957d0076e20d
  6. 05 L 224c5041f2e471f4fb6bbfb7a2f6b4e1daf2c03cbc6166b0a9ddd5b74b86a7f6
  7. 06 L 3453cbdb27dc6d190eb62592be72ed2dbae3c69d9ce08291dc2b1c6fa13e87e3
  8. 07 L e426784f89437627971db6790edfbcfe0e02a39bb595519d338158bf0582147b
  9. 08 R d2b42e1863076d787610385b04797f133138e187f0df1848de056cbd27bd45c8
  10. root  fd421f9c22d0932f18b7dc8aa480c25fdca5c1cb3466e958183adf9329c96803