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 E Award a ₱4.8M contract to LARSEN-DUTCHER CONSTRACTOR CORPORATIONNational agencies
Transaction hash:
990b196a3233f42a00a3739b234627a8161777f06cde1d696772d6009e8a3688
Status:
Included and unchanged
Block:
#4,399 1,614 blocks after it
Position in block:
Transaction 181 of 287
Award day:
Mar 24, 2021 (5 yrs 7 mo ago)
Value:
₱4,849,575.02
Project:
21OD0068
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 #4,399 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 - METRO MANILA 3RD E awarded it to LARSEN-DUTCHER CONSTRACTOR CORPORATION on 2021-03-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OD0068: 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 2021-09-07). 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 990b196a32…8a3688now …
- 2. Block Merkle root changedstored b06989a160…15341fnow …
- 3. Block #4399 hash changedstored 9c2c5642c3…ff02d9now …
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 286 records. Each step hashes the current value together with the sibling shown.
- leaf 990b196a3233f42a00a3739b234627a8161777f06cde1d696772d6009e8a3688
- 01 L 990916c0e092a6515d0ea87c6bcf76dbda3a5298b4240139c0b55119ab832a21
- 02 R e31e8690394e86224c6d231b076f44fe94cb859ba30b91839f1e3802ae216f7e
- 03 L ff84b23d3a5c9a87e4c2a9a2f11f96906dfd48288017405658a66f2ad8cc9212
- 04 R c4ff4418317c009a71a4c9bbd2055ed1a3bb700dd1508cecc744da8ea8dbf365
- 05 L 608e7e98a4afb177f8d7244c24ed191cf1e878247893d6a48fbbc2e25dc1a298
- 06 L b59707856ebbb35ef56845b9d529fec628cf2437036321a5c8b5fb23b21d0a86
- 07 R b256ceec3a4a20bd2e6e9cf0aa35b2f7f555661bfd7812161463112957748233
- 08 L 2eb7475ca8fdab01388f181ef26795ba6558f34314e0a6bc15c687ea3067177c
- 09 R 4793612e379f12087ea8600f7d76fe7c764ebf6bc68b5db8490f1378b0402234
- root b06989a1601993846d0ede94720932d22ef812e3890012b6403f1b753c15341f