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 - QUEZON CITY 1ST ED Award a ₱2.9M contract to RAMALLA CONSTRUCTION & TRADINGNational agencies
Transaction hash:
efcb6cbf0b301382e604147c0e98ecec6086dad37717098e51fdcf4caaa22d83
Status:
Included and unchanged
Block:
#4,456 1,557 blocks after it
Position in block:
Transaction 240 of 256
Award day:
May 21, 2021 (5 yrs 5 mo ago)
Value:
₱2,880,878.16
Project:
21OF0069
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 #4,456 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 2021 LP", i.e. the FY2021 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 - QUEZON CITY 1ST ED awarded it to RAMALLA CONSTRUCTION & TRADING on 2021-05-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OF0069: 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 2021-09-29). 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 efcb6cbf0b…a22d83now …
- 2. Block Merkle root changedstored e07535e87a…2f29bcnow …
- 3. Block #4456 hash changedstored 33aa710dac…b6cc1cnow …
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 255 records. Each step hashes the current value together with the sibling shown.
- leaf efcb6cbf0b301382e604147c0e98ecec6086dad37717098e51fdcf4caaa22d83
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- 02 R 2db1bb0b9cb6e2e6a090a7050729a52570c97b824485a7e3bb3bb41b5d8c7eed
- 03 R 3b729892449ff506fea3a110b6fa41ac2c1892359f96e6b05d03eb9d02557d61
- 04 R 30e1b5e9e876521026d9fc9a357fbce93cc229e46dabba84b4e980cc7d29d6a8
- 05 L 0ccd83d7e0024153a9583912cdfce0edafef7e1e050c0ea3174ded7d8716cbf4
- 06 L f55a0f7adeeb5ac73bc6b2ef9dc0d75d94928fada2ee8672a66deb8d33304bd0
- 07 L be4a963b4e0ee4b7b445801bfeec3b7b871ff98a74889f1970619f09f3f79cfb
- 08 L aa084261e29c70ed8b0c7e6fe612c5e41ef5244ecd37f078afc454bb5a5483a7
- root e07535e87a42d14a2a80bf074d72a1e4299ff3da16b3dccaa411b4cfe82f29bc