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 ZAMBALES Award a ₱8.4M contract to T.J. VELASCO CONSTRUCTION & SUPPLYProvinces
Transaction hash:
b2ed16b9e1fb4ba271cc210b4c17157d55b452d80a91cd16135cd68a6343fc93
Status:
Included and unchanged
Block:
#3,720 2,293 blocks after it
Position in block:
Transaction 210 of 310
Award day:
Mar 27, 2019 (7 yrs 7 mo ago)
From:
Value:
₱8,425,280.59
Project:
Construction Project
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 #3,720 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 ZAMBALES awarded it to T.J. VELASCO CONSTRUCTION & SUPPLY on 2019-03-27.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 Zambales 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 b2ed16b9e1…43fc93now …
- 2. Block Merkle root changedstored 64f04267a3…339f58now …
- 3. Block #3720 hash changedstored 3f15d4e9d4…54c084now …
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 309 records. Each step hashes the current value together with the sibling shown.
- leaf b2ed16b9e1fb4ba271cc210b4c17157d55b452d80a91cd16135cd68a6343fc93
- 01 R b46c6b8e67f5a24adca65f6690cb050b99ba961d47e0da98403d90bade9b1e38
- 02 L a479463dd18ae5035c85d3ec4321ec6a1743fac111bfa667a4336623bf62c37e
- 03 R 159691e5dd5b814fb4dc06410203317f5e21482d0c017b08717221219a6209a0
- 04 R e93997704d849242baed88b2c67ffcd480ac41d36fbe6270222f88e87d244ee1
- 05 L 23338b305a8a105d9d798c8d8db83704b66532d026a62e2201f67172dff8dcb9
- 06 R 38be048a4d64e745f8ca1ff96dd305004e534694d3a2b7b34853a3488fc6e8b6
- 07 L 741d4d2ec02e41def94474b350f7b004db4a07b1ec22f5723753268c88469da3
- 08 L 099a5f05ea5b19d836457da0bac7abfc49829ce548147d33592a335325518558
- 09 R 4b31023fe3381b363a807eb222891eae26620abbcf9653dd0776ba2900814b74
- root 64f04267a33cac66beb905489888c57b1a221b68b84a279f70702d689f339f58