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 AND HIGHWAYS - DINAGAT ISLANDS DI Award a ₱493.8K contract to GEVANS CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
d493bba6e97c656d3b748da9f0f36a24ae231fed5be6b1ab34509659e00c9a5c
Status:
Included and unchanged
Block:
#3,997 2,016 blocks after it
Position in block:
Transaction 170 of 205
Award day:
Jan 16, 2020 (6 yrs 9 mo ago)
Value:
₱493,821.55
Project:
20NE0027
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 #3,997 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)DPWH lists the funding source as "Regular Infra - GAA 2020 LP", i.e. the FY2020 GAA. The exact UACS line is not given.Partly
- 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 AND HIGHWAYS - DINAGAT ISLANDS DI awarded it to GEVANS CONSTRUCTION AND SUPPLY on 2020-01-16.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20NE0027: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2020-03-18). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 d493bba6e9…0c9a5cnow …
- 2. Block Merkle root changedstored 6990ed0503…a7e331now …
- 3. Block #3997 hash changedstored df4d7c2785…0a5dd4now …
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 204 records. Each step hashes the current value together with the sibling shown.
- leaf d493bba6e97c656d3b748da9f0f36a24ae231fed5be6b1ab34509659e00c9a5c
- 01 R d50dbe6ebcc163e68ba1aff042d9773bed9e53870ca65bb98c41b0dc9bba68b9
- 02 L 06e01c6a1b1dba3a4da655b61cc69fd48b6c2b2cd8d1d0f4dc477c30a4ec905e
- 03 R 9861e6d50afe86c098fc2778afa8916710438639085592c165116a2b37cef4f8
- 04 L 7af49044b1ad197df44d13d2ae9c41f1c9f4fef7ce534bad572c96de27e8ebb3
- 05 R acd163e64749d3237208f281faddee78f128469de60a83a3941aaea800fc3aa3
- 06 L bb893d0d8ded110135008289381b8c8f56b7f04040e2b59d086e7ae7dc5ee72c
- 07 R 91e4c77e17bfa7aa5c823e716bd3437b1df6ffbcd8ea4e5b0316753cdb639f22
- 08 L 675f75006a9790f5ec50215b183e1b15fdf29a31cf8b2025bcdf6c8ec1dbb5ee
- root 6990ed0503db4e37bb307f4497a12b716a30165fa28e2d5d2d207a0990a7e331