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 - DAVAO CITY DEO Award a ₱15.2M contract to MAGAR CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
b7d310a331e8b2de42dd6b44fc45bf40c5fac10c3a23450b1907992a4785d418
Status:
Included and unchanged
Block:
#4,810 1,203 blocks after it
Position in block:
Transaction 153 of 211
Award day:
May 26, 2022 (4 yrs 5 mo ago)
Value:
₱15,240,384.70
Project:
22LB0321
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 #4,810 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 2022 CSSP", i.e. the FY2022 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 - DAVAO CITY DEO awarded it to MAGAR CONSTRUCTION AND SUPPLY on 2022-05-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22LB0321: 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 2023-01-01). 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 b7d310a331…85d418now …
- 2. Block Merkle root changedstored ca5a89d92b…5405c7now …
- 3. Block #4810 hash changedstored 1b16e40e1b…0c9986now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 210 records. Each step hashes the current value together with the sibling shown.
- leaf b7d310a331e8b2de42dd6b44fc45bf40c5fac10c3a23450b1907992a4785d418
- 01 L b706399afb6904b03ff232f61c32807d6209dcda47dfe1cb492a617b6a2490a8
- 02 R e1c07771ead932359bda3d0fedd79066f9530558b958c268d58114f9aca1184a
- 03 R 6e6830befe35bd867b071fcad516eb67f0148e4431ae5cd30d1ec407cc96e276
- 04 L 9aaec72ebbfc7fc886ddbbd5c6bbb3feaa9383196738594fc15e70d3f96b2043
- 05 L 615558ae7104f5f5449d1ce284e413bba42dca4feece879ad3138a1d8864d4b7
- 06 R f44af987f7289b7d25b7adac7d4ad6f5988183c4dcea172763cd2f4a8abc45e1
- 07 R 8869ca2cf399b392a42d413abe91d6622e5472068afc4ebc99f1a602656c808b
- 08 L 7c44e92421fb58503a6b8ad0fe834189b5951fb3a17d8ef816bd2b21fef3fabd
- root ca5a89d92b8422ac69ad7c844913fdc72f669e7af86d184790022ab7495405c7