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 - TARLAC DEO Award a ₱4.3M contract to JAM-C BUILDERSNational agencies
Transaction hash:
c730a83f567c19bdf3b2e19639dbcc7b957e2edd4f3016fce5bfd36b0219fd62
Status:
Included and unchanged
Block:
#3,045 2,968 blocks after it
Position in block:
Transaction 124 of 170
Award day:
Apr 12, 2017 (9 yrs 7 mo ago)
Value:
₱4,321,819.31
Project:
17CJ0067
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 #3,045 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 - TARLAC DEO awarded it to JAM-C BUILDERS on 2017-04-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17CJ0067: 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 2017-07-29). 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 c730a83f56…19fd62now …
- 2. Block Merkle root changedstored 2d91f18caa…a303efnow …
- 3. Block #3045 hash changedstored 0426daccd8…7bd7cenow …
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 169 records. Each step hashes the current value together with the sibling shown.
- leaf c730a83f567c19bdf3b2e19639dbcc7b957e2edd4f3016fce5bfd36b0219fd62
- 01 R c864825e2016739ef8c9eb706218f9f6ab10b3acc4f6d1a7990654267048ad41
- 02 R eb911b2a8a2e2826ea607437c592e79cbe180c4433bd0570d0aefc23d6ac6b5d
- 03 L c8bbe108a142204dddc3f3bacc7d0d7759d0e44b01573bd1d7e19817033ae5f1
- 04 L 72947adf93bd20ef1b40331be860322b9be1e599f24b254c980b8b42c7ea7ec7
- 05 L 99943bdd076bb1df10149879544bcd8e00f36521154975c99d9d951947fb00cd
- 06 L 9c1abce3b119b225b20af9831fdb57351bcc730dabf0a41bc0796b7364751efa
- 07 L 302723200ec537417e54c0cf4e81496621f2fe31782109c838fdc38587f8bcde
- 08 R ef0f2028fbed44c0490bd1beef29151a73f8030040a536e6abd8094bb0ad191d
- root 2d91f18caaea7aeda35a8361d5e43bc53023935393454fa063dbcb6cc3a303ef