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 LAOANG, NORTHERN SAMAR Award a ₱11.7M contract to JUPA CONSTRUCTIONMunicipalities
Transaction hash:
ea2c857cf448461ef9bbadafe75a72ab409150d4cd33a7d27cb7b393f181bbe3
Status:
Included and unchanged
Block:
#1,724 4,289 blocks after it
Position in block:
Transaction 25 of 28
Award day:
Apr 8, 2013 (13 yrs 7 mo ago)
Value:
₱11,737,912.61
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 #1,724 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 LAOANG, NORTHERN SAMAR awarded it to JUPA CONSTRUCTION on 2013-04-08.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 Laoang gave a "unmodified" 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 ea2c857cf4…81bbe3now …
- 2. Block Merkle root changedstored 5b454b8659…e251b1now …
- 3. Block #1724 hash changedstored 2564ed1edb…428842now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 27 records. Each step hashes the current value together with the sibling shown.
- leaf ea2c857cf448461ef9bbadafe75a72ab409150d4cd33a7d27cb7b393f181bbe3
- 01 L e93114af520af249eb9907bf3f86f55d39c1061fb06d2c84a58a6da998b61840
- 02 R 6eed9408e43224dcd66c6f8f6449d0f581c7826fbad392680afb3683926acd5a
- 03 R 4d665c51603649d0ff92aabea71c0bd6542ea2e5777858972c419382d90e4088
- 04 L e41a9521ce7976bd939e745bd0572c79fdf1da39565856348b744011fe04c63e
- 05 L 269d8174969547624a304f72f9c7867a712d3b0a63f42b12316341c6c82f6bcf
- root 5b454b865940015e190416afdfdaed5e1b05e3efc6f2a7e38d7350fdfbe251b1