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 RIZAL Award a ₱3.0M contract to YAKALER CONSTRUCTION AND SUPPLIESProvinces
Transaction hash:
01cf49ec50e8cb54de4f8d7698ecae41721c8c9228660e9ff984524c71e541f6
Status:
Included and unchanged
Block:
#5,997 16 blocks after it
Position in block:
Transaction 0 of 157
Award day:
Nov 9, 2025 (1 yr ago)
From:
Value:
₱2,979,207.54
Project:
Repair/Repainting of Ynares School Bldgs. at Bayug
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 RIZAL awarded it to YAKALER CONSTRUCTION AND SUPPLIES 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 Rizal gave a "not stated" 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 01cf49ec50…e541f6now …
- 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 01cf49ec50e8cb54de4f8d7698ecae41721c8c9228660e9ff984524c71e541f6
- 01 R 056e818bdceb925c1be6afca906bb38fa932122a06db925ff33a457cee7f35ba
- 02 R 33f56f2c6113ff1ac84ac67ae78b8d451b537a0a2be9cb39360da7e3e0ac2547
- 03 R 1405467825d7908a09d8869acccd5bc3b22704c851dbf57bf0c0002220705b5f
- 04 R d1757f7269c6b2c96799af4229c8083e56d0b0b4b7fc28cba849b15da69033fa
- 05 R ecd0282a140b58b1620deda0de79b3bf8dc35fd9245d16066f73d2b790e854fd
- 06 R 3b3a0425d911cc233016cd1e848a8aa2b720ef9ae7a87f729fbb99b5c767f391
- 07 R 73979d73c2c0eec3fee0150863f3c9a4fb8504b1b4e44022e28797f392319486
- 08 R 2665b3ba74ab33216125118a6119dbe7c5c9408b3813ff64c9d2e97ec41aaadc
- root 2239312fea2e910d21cea07715e28488dbbab81a52b8ea9f00b073690dd18a74