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 - CAGAYAN 2ND DEO Award a ₱295.5K contract to A. NIDUAZA BUILDERSNational agencies
Transaction hash:
6cf5a28f4e5dbf1ebb2681d6c96ce4200c4ae88c2720f0bcaa662b8e0a81dfa8
Status:
Included and unchanged
Block:
#4,170 1,843 blocks after it
Position in block:
Transaction 51 of 120
Award day:
Jul 22, 2020 (6 yrs 3 mo ago)
Value:
₱295,500.19
Project:
20BC0209-Repair/Maintenance of DENR Building Main
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 #4,170 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 - CAGAYAN 2ND DEO awarded it to A. NIDUAZA BUILDERS on 2020-07-22.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 6cf5a28f4e…81dfa8now …
- 2. Block Merkle root changedstored 015e54ebfb…8c39cbnow …
- 3. Block #4170 hash changedstored 02506c8f28…54b30anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 119 records. Each step hashes the current value together with the sibling shown.
- leaf 6cf5a28f4e5dbf1ebb2681d6c96ce4200c4ae88c2720f0bcaa662b8e0a81dfa8
- 01 L 6c535b0e9bc6e49cb73cad9824bef987eb1c4ca835a521ddfca27eec672bb7dc
- 02 L 4576995bd6f421a64d3982a1f1065b88714fa916e63d7a80a3b98b150f242c39
- 03 R 4b96c83e1dbe4e9790e1bf3f4c81308170e85407aedcdba89dcb4e67a00734e1
- 04 R b683d3a3a69a1bbcd9109afde5fb272ca45206b9a83804d7b56d17102bc4ea51
- 05 L 95af35be5ddabb4f9c464393e07952a63b233ab1719e10579ed351e1b9108e38
- 06 L 60cbc557d3577688e887900b9540995eadc0b68a95a0c7a619e44c518b38ddc0
- 07 R 451e377c190a3fcb8d6e42c73e24590e9e17dff36586941352c290ad109b7013
- root 015e54ebfb959d5dda4d3d5ddd7e88171028d205472fbaf067c1c980218c39cb