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 - BATAAN 1ST DEO Award a ₱4.0M contract to AS MACHA CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
2dbcc28008dfcbb2093a0839c9d76aa910884c53cf7b33b8e08ccefaef47fa02
Status:
Included and unchanged
Block:
#4,147 1,866 blocks after it
Position in block:
Transaction 55 of 275
Award day:
Jun 29, 2020 (6 yrs 4 mo ago)
Value:
₱4,026,206.00
Project:
Construction/Rehabilitation of Water-Supply Septage and Sewerage/Rain Water Collectors-Rain Water Collectors in Public Facilities, Bataan 1st District
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 #4,147 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 2020 CSSP", i.e. the FY2020 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 - BATAAN 1ST DEO awarded it to AS MACHA CONSTRUCTION AND TRADING on 2020-06-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20CA0054: 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 2020-11-09). 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 2dbcc28008…47fa02now …
- 2. Block Merkle root changedstored 975999cf5e…d60eb4now …
- 3. Block #4147 hash changedstored ffd879f90a…927d1dnow …
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 274 records. Each step hashes the current value together with the sibling shown.
- leaf 2dbcc28008dfcbb2093a0839c9d76aa910884c53cf7b33b8e08ccefaef47fa02
- 01 L 2cf0fd17739663c488cae777408d8d84661ccad4be7b91ce9ac7c90877211bf0
- 02 L 6c0a8fdef31aed18a2e990e6664a8622f361425da6c5ff94783f3a6b5fcee96d
- 03 L 0a502db5392af191c75341a990bc3d67e7906486368827140f6bea802b08eba2
- 04 R 1f111b268b3aea7e6777b7e7db6ce872576dcdcbffd92c1f048dfaf9baa1e3f3
- 05 L 92f31b19016160cfd3ee7e6024ea75649c66507b8aa0c1a557024305ba3b66c4
- 06 L 93dcdd3068832186622b9289c02881897a765339643c3c1b23d53823f56de7f7
- 07 R 0f3e1bccdcac71dae4c0cc4f85db7ac4a40829da638f7d9395cdc75450972166
- 08 R 602ac58434d035e226ae1b9bccf9d0bf94e5bf97a246ee4b16c3b01fbd5c816a
- 09 R cab3ced60c703e149c17db4c86f209d2b71021bffeed146e807d94cedb81f16f
- root 975999cf5e3f0c9b5fd82c58856eb42aa53c0800d7e41153dbacb6704ed60eb4