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 - REGION XII - COTAB Award a ₱9.8M contract to BAMEC DEVELOPERSNational agencies
Transaction hash:
eb0b7c28ed464497cdec24f991b0fc0303932ab6bf80c45ae14e6d9b45439dcf
Status:
Included and unchanged
Block:
#3,287 2,726 blocks after it
Position in block:
Transaction 963 of 1,026
Award day:
Dec 27, 2017 (8 yrs 10 mo ago)
Value:
₱9,800,941.46
Project:
Contract ID17MA0080
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 #3,287 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 2017 LFP", i.e. the FY2017 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 - REGION XII - COTAB awarded it to BAMEC DEVELOPERS on 2017-12-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17MA0080: 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 2018-05-07). 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 eb0b7c28ed…439dcfnow …
- 2. Block Merkle root changedstored b4dc501ed0…d8c6d2now …
- 3. Block #3287 hash changedstored c7e14c50bf…eab4e3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,025 records. Each step hashes the current value together with the sibling shown.
- leaf eb0b7c28ed464497cdec24f991b0fc0303932ab6bf80c45ae14e6d9b45439dcf
- 01 L ea80759bb1a66d72bd3e00276cb5a0cf5a4cfae31a8b688ad5ffbc2fda91d5c1
- 02 L 44445d65e7a02b3d90db174e0e63c95175d9a0ac6e352b7cd9285fc7a82563f1
- 03 R e6fa0936a24ba906e391734c913c0a5119e0d7836b0323a3bcd08c705499f8b7
- 04 R 7aaa1ea9527ce26d46688b8824e115932196585bc4f9382da7de4fbf75720dcb
- 05 R 97aeeedc81ad040ffa1774e6ae144d1b6e18e16b2e3fdc009a1ea1ae28b60fe6
- 06 R 91858d101cfdc90f67557d32cda6b55b9c149abd4a067473e4411e39386ece04
- 07 L d0a66771100c9c3c55c253027561666bd025329c3059131e757317c6ce056608
- 08 L 69e8aa823fdf09e83ac37cb13162e367ca597cfc09e6b2b7208c6ddaef088e0e
- 09 L cb4b83ea6c5b7713a8bbeb4b6e82cba308749d97ff3676dc53d9c759a4804042
- 10 L 4d7412112b26351fdc08ef1e23583acfd5a94f0476073ece1c64f8b47fb96121
- 11 R 1631c3416b810694b879fee5b0caa4003a06e958296772b10cabe1c46c7b712b
- root b4dc501ed0713c4d022d375450a4c40f01e9721196926605a35a2da4bed8c6d2