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 - SOUTHERN LEYTE DEO Award a ₱2.3M contract to DC BROS BUILDERS AND TRADINGNational agencies
Transaction hash:
6aeffbb0a678e81aaed806c6e9ab9b49537b3ec15c52d08b2c2581945b4e4178
Status:
Included and unchanged
Block:
#4,671 1,342 blocks after it
Position in block:
Transaction 1 of 3
Award day:
Dec 26, 2021 (4 yrs 10 mo ago)
Value:
₱2,317,354.21
Project:
21IL0150 (REPAIR / MAINTENANCE OF NATIONAL ROADS A
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 #4,671 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 AND HIGHWAYS - SOUTHERN LEYTE DEO awarded it to DC BROS BUILDERS AND TRADING on 2021-12-26.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 6aeffbb0a6…4e4178now …
- 2. Block Merkle root changedstored 92170a1aa3…35ab33now …
- 3. Block #4671 hash changedstored 7a2fe0754a…4746c8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (2 steps)
How this one record is tied to the block's Merkle root, without needing the other 2 records. Each step hashes the current value together with the sibling shown.
- leaf 6aeffbb0a678e81aaed806c6e9ab9b49537b3ec15c52d08b2c2581945b4e4178
- 01 L 0aa72e0f71a92ccb7693bcf903f5912de13b82a4a6a06f0651f90178aa40524b
- 02 R a4a7b03f0fbc82dc12c1f4c5b2beaa8fc7697fcabafc2a68dc56100d4c4b2889
- root 92170a1aa32b72cc09c09911a6305984aa9a623fb137f77052f110646435ab33