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
CITY OF TANAUAN, BATANGAS Award a ₱5.0M contract to JERIS CONSTRUCTION AND SUPPLYCities
Transaction hash:
5a3fbde596b6cc9f3e8a7199b3a080b6d9fb8a48c7be10a1aa4db1a9b6101d3c
Status:
Included and unchanged
Block:
#5,945 68 blocks after it
Position in block:
Transaction 0 of 8
Award day:
Aug 25, 2025 (1 yr 2 mo ago)
Value:
₱4,972,894.00
Project:
Infra Projects 2025 (3rd Quarter)
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 #5,945 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)CITY OF TANAUAN, BATANGAS awarded it to JERIS CONSTRUCTION AND SUPPLY on 2025-08-25.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 City of Tanauan 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 5a3fbde596…101d3cnow …
- 2. Block Merkle root changedstored 718e8c6822…582958now …
- 3. Block #5945 hash changedstored 7d96a35f04…0d19d7now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 7 records. Each step hashes the current value together with the sibling shown.
- leaf 5a3fbde596b6cc9f3e8a7199b3a080b6d9fb8a48c7be10a1aa4db1a9b6101d3c
- 01 R 798b2776fdc5c9cb0e9745336fcb129b4b905aeaaa7fdd9f76d4a7e27349739f
- 02 R 12799c73e4e28606a7c056ec1e10f0d0b64c304a65db193287afd7d5901d5215
- 03 R 93900fa45d121f5ba17c7c37d0b60d75d5b0b744cbbe5d7cd1eaf2aba4a77d15
- root 718e8c6822b8f550c5d707d91a66ad7f30ba19d3c857d66b366f8c68b5582958