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 - NEG. OCC. 3RD DEO Award a ₱1.7M contract to JPEG CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
a1489763a5ff4e1fa65cd3e2f09bc7feb84c1bc6ac30b65db7e9acf807484051
Status:
Included and unchanged
Block:
#4,322 1,691 blocks after it
Position in block:
Transaction 19 of 26
Award day:
Dec 30, 2020 (5 yrs 10 mo ago)
Value:
₱1,745,366.72
Project:
20GM0086
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 #4,322 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 - NEG. OCC. 3RD DEO awarded it to JPEG CONSTRUCTION AND SUPPLY on 2020-12-30.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20GM0086: 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 2021-04-16). 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 a1489763a5…484051now …
- 2. Block Merkle root changedstored 22255f8779…145989now …
- 3. Block #4322 hash changedstored 95b97a49f2…c48e08now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 25 records. Each step hashes the current value together with the sibling shown.
- leaf a1489763a5ff4e1fa65cd3e2f09bc7feb84c1bc6ac30b65db7e9acf807484051
- 01 L 92da3909f294fc4d439b038969ca58a0ac873c8381095aeb8d51f8e092d2bd95
- 02 L ba59c103bb82479ca26481b40b4a9214a9e5945e28327f6a675f32673f9ad09c
- 03 R 4142486e8d59d4f898d219519b49e510998a6f01091074ee7cf66fd05c6eb5c3
- 04 R d7677933f4f50aa83fb443eb7036ced817e5e7f93791cf6deaa356965e601234
- 05 L a8010ee163acaa734d732481a631682d8a91187d011c770e3ee5f97a1331770d
- root 22255f877908185762eec4561f2adb0b66556b81955cccb140e77cfbc0145989