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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 EDUCATION - DIVISION OF OLONGAPO CITY Award a ₱44.5K contract to J. I. VIACRUSIS CONSTRUCTIONNational agencies

Transaction hash:
a4e5af0c7c60e8933efcf92e245192d85b709140531a0e797657c1e8b3777a9a
Status:
Included and unchanged
Block:
#3,967 2,046 blocks after it
Position in block:
Transaction 166 of 261
Award day:
Dec 16, 2019 (6 yrs 10 mo ago)
Value:
₱44,517.39
Project:
Construction Project

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 #3,967 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)
    The award does not say which budget line pays for it.
    Not published
  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 EDUCATION - DIVISION OF OLONGAPO CITY awarded it to J. I. VIACRUSIS CONSTRUCTION on 2019-12-16.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   a4e5af0c7c…777a9anow      …
  2. 2. Block Merkle root changed
    stored   942ba79b3e…163aafnow      …
  3. 3. Block #3967 hash changed
    stored   22066ae939…f38f4enow      …
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  a4e5af0c7c60e8933efcf92e245192d85b709140531a0e797657c1e8b3777a9a
  2. 01 R a4fa9ae6b8ffa0580db90a1fd54820dcb3e7ab6c5ab5356677b495a0ff1d3048
  3. 02 L 2411aa7e8a5958663c5b2c5333030db76716cfa7320337cc728062476c334c0a
  4. 03 L b2ad541bbabcb29611df5f95eece7c741d023f858c8d8d1ab769cfe4398d7e43
  5. 04 R 6923a77c7dac8572e56a0500a3ac9413650092f44bb0a6c513d1c8f6c856980e
  6. 05 R 8b9fd4f7b624af62cbb6fe6ba83344be8a82f18701c5c3b8ea66c98cd291abb8
  7. 06 L 3d973e2cda2f6547b5b24184043a04737b31847c4b0f80fdf8f06fd2cda6f4b8
  8. 07 R ce8705f99c329532094cbff6bd24eb8eb974a4fcf2fb3457ecb9e20ecee3e0c4
  9. 08 L 22d5c3d06dba2829b7020d67b0d1456034ede70f13e330e5d52cbd7ada134864
  10. 09 R 67b912e8f51eb1cb063ce254f5a96624f1f7d8cfa046693d3e4d2732425094a8
  11. root  942ba79b3eca65893373a8125072e200b5667e7425ee3ccb5dc41a5f32163aaf