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
DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY DEO Award a ₱9.2M contract to VENRAY CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
cb48eeda89ad3cbf6a286aee37f6fa98d23dcc97a7b57dba3724aaa6d6c92bfb
Status:
Included and unchanged
Block:
#279 5,734 blocks after it
Position in block:
Transaction 9 of 16
Award day:
Feb 19, 2008 (18 yrs 8 mo ago)
Value:
₱9,234,039.14
Project:
Asphalt Overlay of Cebu-Balamban-Transcentral Highway, Km 5+300 to Km 5+600 (100mm thickness) Km 6+800 to Km 8+130
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 #279 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)DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY DEO awarded it to VENRAY CONSTRUCTION CORPORATION on 2008-02-19.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 cb48eeda89…c92bfbnow …
- 2. Block Merkle root changedstored 563503eae1…79f08fnow …
- 3. Block #279 hash changedstored 1d5ff3acef…b07d23now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 15 records. Each step hashes the current value together with the sibling shown.
- leaf cb48eeda89ad3cbf6a286aee37f6fa98d23dcc97a7b57dba3724aaa6d6c92bfb
- 01 L c3df55ef0d217cacf5a661eeb6cb4813883a5ac35471b74f576085f925959e5b
- 02 R 0a95bcd5e8f1de854336bf7c13467228f2e236d9b87717b9958f2eff88eb498c
- 03 R 306542e128835bb0f5efaeeaa9f1b1cdbea4a28cdc0244a919c62f62c5c3f311
- 04 L 736e99fefd15fd3d477a23ab77eaa6f568dc097b8fb4761ece456167b5133169
- root 563503eae18d43ca7417bfd865d375917048e2a6ac4b91b42b8db85baf79f08f