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
MUNICIPALITY OF BOMBON , CAMARINES SUR Award a ₱989.9K contract to JURASSIC CONSTRUCTION & SUPPLIESMunicipalities
Transaction hash:
b8b93a1bd2265950e98b7cf172fea9132f51fb163ba55c22f8b0ef2521ff3115
Status:
Included and unchanged
Block:
#3,428 2,585 blocks after it
Position in block:
Transaction 364 of 485
Award day:
May 25, 2018 (8 yrs 5 mo ago)
Value:
₱989,900.00
Project:
INFRASTRUCTURE
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 #3,428 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)MUNICIPALITY OF BOMBON , CAMARINES SUR awarded it to JURASSIC CONSTRUCTION & SUPPLIES on 2018-05-25.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 Bombon 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 b8b93a1bd2…ff3115now …
- 2. Block Merkle root changedstored 4cc0423ea8…bb0680now …
- 3. Block #3428 hash changedstored 8bc6ab23ba…86f35enow …
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 484 records. Each step hashes the current value together with the sibling shown.
- leaf b8b93a1bd2265950e98b7cf172fea9132f51fb163ba55c22f8b0ef2521ff3115
- 01 R b8f6305ef688b116db0c6d94e1b83a70f0d0af03b2f054d409802873f24bc3cf
- 02 R 986e0cbae11d02e54c2ff077737bf3586334182103ddc313c5efdc2d7cbf122c
- 03 L 74d2e8a809b2f0c9bca7f2f6d131bdc3ab3371daccfd3c0df95bcc081e15ce1d
- 04 L 5f56bd260b2f28b06b4487a440e5ec09b3668a785399c6b38ba9084e362c0d01
- 05 R a86b4dd73e08c0b2735e7693f56e7a17cd9148269d895466c1b83b5900962d5f
- 06 L 836f4e12a09c3deff049caba3ed15b8a60589fbb59a450fbd91b12cbf4d30db6
- 07 L 46102b2afd5bd4e7374c35aab79bed8e64c69d2ce28de2b3d9a564f04026b31f
- 08 R 6dbbf423ba768281d6a2ecbaddd67ac2657f0e8859eefe61414c3a2668cd3633
- 09 L db1e8a66ab36a86699eb6f7460e03290c1d39408a65761514622a27db0bcb1d8
- root 4cc0423ea844f5b448fa1167d8ba0fb515b1905c1da03b000db13e57e5bb0680