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 - DAVAO CITY SUB-DEO Award a ₱4.8M contract to O.G. SANTOS CONSTRUCTIONNational agencies
Transaction hash:
b4ecbdb8d9a77625bf4cd5d91dca5886d0bc09e5c8af6b6324820940b86b8597
Status:
Included and unchanged
Block:
#2,474 3,539 blocks after it
Position in block:
Transaction 162 of 233
Award day:
Jul 27, 2015 (11 yrs 3 mo ago)
Value:
₱4,801,158.37
Project:
NTP, CONTRACT, NOA
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 #2,474 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 - DAVAO CITY SUB-DEO awarded it to O.G. SANTOS CONSTRUCTION on 2015-07-27.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 b4ecbdb8d9…6b8597now …
- 2. Block Merkle root changedstored 08f094d27e…58cf9anow …
- 3. Block #2474 hash changedstored ad1854b4d1…dbbc74now …
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 232 records. Each step hashes the current value together with the sibling shown.
- leaf b4ecbdb8d9a77625bf4cd5d91dca5886d0bc09e5c8af6b6324820940b86b8597
- 01 R b5c7429eb2cc0a532fdb27a502b2553c7f0549f202435c92771ea273014058a5
- 02 L f1c21252a0b42e0fc9ce567dad92b5191cdcc5d9766a7e4229a7e9b4cc9116c8
- 03 R 0b90b8b92fafba5858d2af33c4fb16d5f1ff99d335e6e973b483e59bfdf84f6b
- 04 R 19690b92e95bc965f198c1c428037ed3bb2ba44adde2c00b196c50bafe0d919f
- 05 R 6cdccbedf003935df3205233148c8fedd88635e9a9da06c6d783ebccf9b296b5
- 06 L 74a16d267b8f0199020a0d756f60a21368e0cc3cf9c7454006139eb367d26eeb
- 07 R 3002bcf141f91415729432e1ed80194b6268af07ad78c1c94c3b1f44c3306b63
- 08 L 2e58c6873e11479f6694f7cc95abbb0b984f05cd6b1a07c1eadddc85b49f4e29
- root 08f094d27e1db22dc4d4e30c5707b4ad776d542112db8067afe34fe2fb58cf9a