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 SURIGAO DEL NORTE Award a ₱541.7K contract to BNG CONSTRUCTION & GENERAL SERVICESProvinces
Transaction hash:
7c7d2b85ce9ff0d7c8e6f12eb2d43f97a88437f455d7129b0aece626b4551675
Status:
Included and unchanged
Block:
#313 5,700 blocks after it
Position in block:
Transaction 30 of 61
Award day:
Apr 9, 2008 (18 yrs 7 mo ago)
Value:
₱541,719.88
Project:
Improvement of Anao-aon - Malimono Road
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 #313 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 SURIGAO DEL NORTE awarded it to BNG CONSTRUCTION & GENERAL SERVICES on 2008-04-09.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 Surigao del Norte 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 7c7d2b85ce…551675now …
- 2. Block Merkle root changedstored d842fb092c…5f5e9cnow …
- 3. Block #313 hash changedstored 5103bacd98…7d6d27now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 60 records. Each step hashes the current value together with the sibling shown.
- leaf 7c7d2b85ce9ff0d7c8e6f12eb2d43f97a88437f455d7129b0aece626b4551675
- 01 R 7cd5768f48c421ded412f54e22362e4a8592b406b5a2b4c4ca36e768518e2ee4
- 02 L 545822787ec6da0622f9c90dfd2f088ae13e83726fe4411cbd41b045a10d76c7
- 03 L a72570f6cbdd47b4412c492adc96e22acd7cb408eee88402f994d740dafab896
- 04 L 3eaa2432a9aabe10f452aed7979ee1017b073444b6ae9360f723e91c86a3ed5c
- 05 L 2b290e4c08955ad70c724facbd8c4f5f52a92c65c482d90a086e71689d03ba55
- 06 R c6ea3af3dc4e21dee22defefaecc7ce7c0f30b029a02433b6e191efcb71626b5
- root d842fb092cd6f5d08d15b2742f3d9d800e6da311d63e9e39d75ff195245f5e9c