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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 - APAYAO 2ND DEO Award a ₱3.3M contract to AMAD CONSTRUCTION SERVICES AND SUPPLYNational agencies

Transaction hash:
a55831271cc541dddbd3ca61b29a6e699933b219038959a46b792a0f7bee9f33
Status:
Included and unchanged
Block:
#3,201 2,812 blocks after it
Position in block:
Transaction 149 of 220
Award day:
Sep 26, 2017 (9 yrs 1 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 #3,201 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 DepED BEFF", 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 - APAYAO 2ND DEO awarded it to AMAD CONSTRUCTION SERVICES AND SUPPLY on 2017-09-26.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17PC0049: 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 2018-03-26). 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   a55831271c…ee9f33now      …
  2. 2. Block Merkle root changed
    stored   8d7413abe1…4edb01now      …
  3. 3. Block #3201 hash changed
    stored   429930c84d…595183now      …
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 219 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a55831271cc541dddbd3ca61b29a6e699933b219038959a46b792a0f7bee9f33
  2. 01 L a42bb71ebe1843df5d5182075d54b1f90e320f8bace1b86e6890f755608e7d89
  3. 02 R e24cae03df524ff3a90f06ec3f64545ac3521ad90318d375b695d9a749bb5bf9
  4. 03 L 0c73c332207c6f17d16757a830bbd2feadd9578255843656a0fe173144b18fef
  5. 04 R e3fcdb94e7474d478f671e18c771922521c1a79b492a49c412189228b153d2d4
  6. 05 L 16c3c178678008dcaf7df2c94a13ed9df24f690b7989da41d76ae8af0cb74fa8
  7. 06 R a5a2b941407b37cc3cca9d10d4728b09298a7c7963c4b37054040c0511e33216
  8. 07 R 0287dce7ef38b73433d43d2dbc34f544c3456c0e423c3d850c6acd2633e5fea0
  9. 08 L 93c3a490f25445800ea9a95e5a73f18bddb670df063c4356cd1bf08a2376baa4
  10. root  8d7413abe129e7723b9a917d085eae8e7d57ce1776161186499b02898a4edb01