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 ₱596.6K contract to RODELIO P. CORTEZ CONSTRUCTION & GENERAL MERCHANDISECities
Transaction hash:
eae0a31a4bdb251a81bc2d2a7398efa61e8815a1ccff736c8b8d122171e7b570
Status:
Included and unchanged
Block:
#1,287 4,726 blocks after it
Position in block:
Transaction 2 of 4
Award day:
Nov 5, 2011 (15 yrs ago)
Value:
₱596,640.00
Project:
infra
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 #1,287 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 RODELIO P. CORTEZ CONSTRUCTION & GENERAL MERCHANDISE on 2011-11-05.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 eae0a31a4b…e7b570now …
- 2. Block Merkle root changedstored f8b3ef0f9c…e4b228now …
- 3. Block #1287 hash changedstored d3a23d17c1…c5d89enow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (2 steps)
How this one record is tied to the block's Merkle root, without needing the other 3 records. Each step hashes the current value together with the sibling shown.
- leaf eae0a31a4bdb251a81bc2d2a7398efa61e8815a1ccff736c8b8d122171e7b570
- 01 R ecd4344fd71b116fe6e6c66ac5265538cdbf6eb2c2e8d3be9823ef9be2433103
- 02 L 7c001b3660d17a5c9329028be39fea4bc137e0beca30db7fd09a48310bb49a18
- root f8b3ef0f9c69eb71d03278ca4dbde532a98254b94cafdebe877d37c486e4b228