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 2ND D Award a ₱27.7M contract to AARCON BUILDERSNational agencies
Transaction hash:
5db3dffe5c328c40a5dc6c2f9192cd9c89e6417478eed0afbb0b85781c76be3b
Status:
Included and unchanged
Block:
#4,399 1,614 blocks after it
Position in block:
Transaction 109 of 287
Award day:
Mar 24, 2021 (5 yrs 7 mo ago)
Value:
₱27,696,943.68
Project:
Asset Preservation Program Preventive Maintenance
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 OO-1", 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 2ND D awarded it to AARCON BUILDERS on 2021-03-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OC0010: 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 2021-07-20). 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 5db3dffe5c…76be3bnow …
- 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 5db3dffe5c328c40a5dc6c2f9192cd9c89e6417478eed0afbb0b85781c76be3b
- 01 L 5d261128b57b13f39f9ff5d1889f01c32475748dce63d0bc119fd6c9de0b6eb6
- 02 R 39b90e120e43f5f305b782eadf45ccc306da007ecc05107950dc75917776c298
- 03 L 4660cf11bd0492c41363fed95790c97ce017910e27c851205841b00fde6b71ae
- 04 L ae81cc91485b47903dbb73a368adc1adaa1da79c317737f8f48d7386954f8af9
- 05 R 1556ca6577ea4b5ec71250dc5ed6bfe4c0cc21a177e74d4cd06d2924b7377d46
- 06 L 6e2a5f018c7742eafd81bc2784b6de2ed361f602993942ab708f75b40eef2202
- 07 L c4b3d319dc72ece7b7437ed82302cedf7892623f9330c9e58ac0a1d6576346bd
- 08 R fa8317793e067789f715920c806f67bed7e9194279b93f271df58070a64977df
- 09 R 4793612e379f12087ea8600f7d76fe7c764ebf6bc68b5db8490f1378b0402234
- root b06989a1601993846d0ede94720932d22ef812e3890012b6403f1b753c15341f