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 NUEVA VIZCAYA Award a ₱968.2K contract to EJR CONSTRUCTIONProvinces
Transaction hash:
f74f55c83e1917dca02185eebc92ae4e8c19533b0b9863d66d3a617b55be8731
Status:
Included and unchanged
Block:
#2,371 3,642 blocks after it
Position in block:
Transaction 243 of 250
Award day:
Apr 6, 2015 (11 yrs 7 mo ago)
Value:
₱968,218.15
Project:
Invitation to Bid for CONCRETING OF CVR POLLOC-CUR
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 #2,371 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 NUEVA VIZCAYA awarded it to EJR CONSTRUCTION on 2015-04-06.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 Nueva Vizcaya 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 f74f55c83e…be8731now …
- 2. Block Merkle root changedstored 79e3b0b546…5d2941now …
- 3. Block #2371 hash changedstored 4ccf67b350…7a78f0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 249 records. Each step hashes the current value together with the sibling shown.
- leaf f74f55c83e1917dca02185eebc92ae4e8c19533b0b9863d66d3a617b55be8731
- 01 L f6e2812ce293d3a8a110073b53952469c6f6dc5975f5fefcb1e74493a90f8dc9
- 02 L b5955b72966a3a055417030656445d5add93a27592d0da2f60b963d9810a3c30
- 03 R 452d46050b925e312d3df8665a7e45c7942ed5c90504bf09e852dfc43f6cb642
- 04 R 3fdffe715197f5c84a5af8aecc95b12a0b702d234b8767473c4a08b581f501a4
- 05 L b14ef6234764c9edef3bbc2276923d287e723b3057e5843edf1733ca254fe9d8
- 06 L 9af6b062b8614cc20f832a577dcf9f356d709aea75ec88f8af1d74363c43e82d
- 07 L b159d8b0e4350f0c110637ffffb776eee26c89e9603fc74b229eb3f18a44d5c5
- 08 L 075666277dbbb95965583df12a82b9bfe933932a0817be33f954f9603b24fe8b
- root 79e3b0b546b3ba0b61ee59ea7039b76298a1da497be37f8de5f2a5938a5d2941