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
APITransaction action
PROVINCE OF ANTIQUE Award a ₱483.9K contract to OVIVIR CONSTRUCTION SUPPLY AND ENGINEERING SERVICESProvinces
Transaction hash:
dbfb6fb30f57ecd66be17da2d9b97fa176f8c86b9d55334dc37fb862d7e4f3bc
Status:
Included and unchanged
Block:
#5,997 16 blocks after it
Position in block:
Transaction 131 of 157
Award day:
Nov 9, 2025 (1 yr ago)
From:
Value:
₱483,905.70
Project:
Construction Projects
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
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 #5,997 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)PROVINCE OF ANTIQUE awarded it to OVIVIR CONSTRUCTION SUPPLY AND ENGINEERING SERVICES on 2025-11-09.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Antique gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored dbfb6fb30f…e4f3bcnow …
- 2. Block Merkle root changedstored 2239312fea…d18a74now …
- 3. Block #5997 hash changedstored 9451d18634…972c84now …
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 156 records. Each step hashes the current value together with the sibling shown.
- leaf dbfb6fb30f57ecd66be17da2d9b97fa176f8c86b9d55334dc37fb862d7e4f3bc
- 01 L dae0d11759017e1869b985c130ab7477dbe322be44d879c6cb01cb9b6379470c
- 02 L 86ecc57fea67e63c6384f4cb7a66639508008e7d9aefd821029ccb603233ae02
- 03 R 6a2c4391dcc5ed6c1724921f777246cbfaff028519594ff3207c4f3954c829fd
- 04 R 5a954e8b2644ccaa4b5a02f9e2ff71a9056889e6789569052d64db2cd70f6e05
- 05 R c3f8ff3457b864476f3770f4d2aee713ff984f732e0839cb31c3681cdb435898
- 06 R 719175832246275e45cdb44a686cd2424934d89b4e6a6719d48a47226e184234
- 07 R 4fd68ce83098782647d6d9bc973505d04de5bb1a5ce479a47ec045441a69148e
- 08 L 18189f763967f3dda32c4cb190758074d366b5901b16289c6f0600aa4029034d
- root 2239312fea2e910d21cea07715e28488dbbab81a52b8ea9f00b073690dd18a74