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 BONTOC, MOUNTAIN PROVINCE Award a ₱502.7K contract to SADLAN CONSTRUCTIONMunicipalities
Transaction hash:
b10bbec83e8db7fc3cc3245da2e4949b3fb2b31eadfc15bd0780f2b9cb5a7273
Status:
Included and unchanged
Block:
#1,502 4,511 blocks after it
Position in block:
Transaction 50 of 74
Award day:
Jul 9, 2012 (14 yrs 4 mo ago)
Value:
₱502,709.56
Project:
REHBILITATION OF BONTOC DOMESTIC WATER SUPPLY SYSTEM PHASE I
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 #1,502 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 BONTOC, MOUNTAIN PROVINCE awarded it to SADLAN CONSTRUCTION on 2012-07-09.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 Bontoc 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 b10bbec83e…5a7273now …
- 2. Block Merkle root changedstored 9ae1511307…87cec4now …
- 3. Block #1502 hash changedstored da9599e757…ef4827now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 73 records. Each step hashes the current value together with the sibling shown.
- leaf b10bbec83e8db7fc3cc3245da2e4949b3fb2b31eadfc15bd0780f2b9cb5a7273
- 01 R b264b93a23ef7557e5b176125cdebfdb9c48cc1c728734093886160b4d8ac413
- 02 L 1766066c673c8b260e5ccb2fc5c45125c7127580021f0ea7ef11e6e17eb348ec
- 03 R e21f57f6a30ae50beaf974177a499670a3312894b91f6ee0c0441ec81cb9e654
- 04 R 42bdd207d3d922db60b47af019b81ef43aca572aa31f411dae84c54e4070954d
- 05 L df8ccfd7bcd6d5f94318fd33438c1262bffc9864ef697db0bfcf3faed12505e5
- 06 L 2e9dcccaaf1e9f1f761517ea1f8e99e8c3f996bb44104ab79238303f1ba75eff
- 07 R aa813941a5b3718f51a9ff0c6cd1feddde058cba3b09d699c737b1592e36cbd9
- root 9ae1511307f4d2a81ed0b2040bfd718785b5d5d33449dd750731125e5487cec4