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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 - AURORA DEO Award a ₱9.5M contract to JOHN DEE B. BUSTAMANTE CONSTRUCTIONNational agencies

Transaction hash:
b0b60cef90c445f76e93ac2279500759c9be976a568a1f91869206d3c099cded
Status:
Included and unchanged
Block:
#3,402 2,611 blocks after it
Position in block:
Transaction 219 of 321
Award day:
Apr 27, 2018 (8 yrs 6 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 #3,402 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 - AURORA DEO awarded it to JOHN DEE B. BUSTAMANTE CONSTRUCTION on 2018-04-27.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18CN0063: 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 2019-03-04). 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   b0b60cef90…99cdednow      …
  2. 2. Block Merkle root changed
    stored   897f4b90b2…7a2104now      …
  3. 3. Block #3402 hash changed
    stored   5358e1b910…29759dnow      …
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 320 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b0b60cef90c445f76e93ac2279500759c9be976a568a1f91869206d3c099cded
  2. 01 L af503979cc1850cf7c1301cd028bb0d9ca6e1657d0310104e080658887d4ce85
  3. 02 L 366ba48a675920a41fa1caebc2c26ef86c58d96b65a836c8b1c933cf1c717bf2
  4. 03 R bc20ef767843a7ae94030cf1e1f2abca893849392d7df833acc873618e2ba51c
  5. 04 L b0d1dc8db83c934c2ad9bb94fd6981b1a8eaaefb8a323175c3f8800f9ffa089a
  6. 05 L 1b9f371c6e2e7f945310bc4ff6d8dc8c976f86099fed202fb16972e937879fce
  7. 06 R 1982f60830138f0f5da4bbfa40fc72f3890f30dc6149c594dc4df3cf12fea4d7
  8. 07 L a8ae886723bb289bb8107e2f02e53111e69108a433de23e2259674af151dbcd7
  9. 08 L 3497b8f2e509d71b5f6339c37136fc93144ce913df532758a7cd5e3f97af8500
  10. 09 R 3ee6b898fecfab1fb14be566cd68451f7292c2bd4642a01709e110cccc0982c4
  11. root  897f4b90b247d701851c30a5d082085bc461b28130df4142bdb958ef5a7a2104