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 - REGION X Award a ₱49.7M contract to LANAO BUILDER & ENTERPRISESNational agencies

Transaction hash:
c1caee7cd7020edbc8a5dd7768770b35857d24aeab3bd5756c5e74ddd4363db9
Status:
Included and unchanged
Block:
#4,536 1,477 blocks after it
Position in block:
Transaction 148 of 200
Award day:
Aug 12, 2021 (5 yrs 3 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 #4,536 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 2021 NDRRMF", 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 - REGION X awarded it to LANAO BUILDER & ENTERPRISES on 2021-08-12.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21K00287: 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 2023-02-01). 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   c1caee7cd7…363db9now      …
  2. 2. Block Merkle root changed
    stored   39fd2c8a83…8d797fnow      …
  3. 3. Block #4536 hash changed
    stored   ac12eb3407…e5f9c0now      …
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 199 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c1caee7cd7020edbc8a5dd7768770b35857d24aeab3bd5756c5e74ddd4363db9
  2. 01 R c2cd192532c35bbf57a85516fdadfd5e99a1c937bff6be6e01c1ea34026dd192
  3. 02 R 1b211e0ed6da04eaff41a47e58aed3b5eefa8442d11fbe107a3208e99425008e
  4. 03 L 2bdc63a7e6dffcd44eb79f91c277321487668211b8563bfcae39d2b9b5b09424
  5. 04 R efc9c6c78125dc56e760bb71917e060e70ff1404c3c4abbe623b51874d00eecc
  6. 05 L 95dcbd845a6bac12ba83bfe79a08f5bb7c588fa92bebc3277b454ba2701fc8ca
  7. 06 R ccedaa5a464b41ea33a801315cbe690092673cdaec6e5d45fbeed7ffb8bc8a7d
  8. 07 R a0b6a2acdef76eee77a3e3bd71bd53d68908cde9ee907beee7923f4f3de340af
  9. 08 L 992b244bb9834f66eaa30f9795f067e666937e7749adc67e1882b3da9b411a4f
  10. root  39fd2c8a83a1a500c0e1f37c3b7ef17f612096ca4cada00a644a2d67038d797f