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 (METRO MANILA 3RD ED Award a ₱4.4M contract to DJB CONSTRUCTION SERVICESNational agencies
Transaction hash:
f2d7436cb986a3ccaa12bf755898f3c16beca619aa509d580c473a912042316c
Status:
Included and unchanged
Block:
#5,020 993 blocks after it
Position in block:
Transaction 406 of 429
Award day:
Dec 28, 2022 (3 yrs 10 mo ago)
Value:
₱4,353,678.27
Project:
21OD0241
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 #5,020 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 CSSP", 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 (METRO MANILA 3RD ED awarded it to DJB CONSTRUCTION SERVICES on 2022-12-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OD0241: 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 2023-07-31). 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 f2d7436cb9…42316cnow …
- 2. Block Merkle root changedstored f93c3fe3f1…6cb2e1now …
- 3. Block #5020 hash changedstored a61a28696b…d1957cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 428 records. Each step hashes the current value together with the sibling shown.
- leaf f2d7436cb986a3ccaa12bf755898f3c16beca619aa509d580c473a912042316c
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- 02 L 82d562d042067d82656b7ba1c616169be628bc0f3ce20fdbd486785f3e753140
- 03 L fe01f297846c5c242fdca1f7a4812847cd581a50b14228eea9b5d1bc86a89860
- 04 R e29b4b83c8d106072302477244a61b41f6a433d90810aca5fc4d35db75858fd9
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- 06 R f41d3a32f73c6e2c170ba5c285af60acf85aba3b7df589cc221e6371ac1262c2
- 07 R ba4faccae0b1e36dd713b4e03c77c44fa9471529fc2353705988163707a6d7ef
- 08 L e17be49ff279641b74bacb8154fa57a06b89aaee2a32a2ca82c48aac588cc00e
- 09 L b9efff1c3b5846b29bde6917c2c842382c761954ffc08d2ee58d927f448b28d5
- root f93c3fe3f1ae8b78ad49733fe210bee8f487b83b68829daeb3f5d369a96cb2e1