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 - SDN 1ST DEO Award a ₱2.9M contract to C.V CONSTRUCTION & DEVELOPMENTNational agencies
Transaction hash:
c61f75b6c8ef16d3e2ff3cb21bfdaf4d39202d32d1f1689c6c84391b7bb4d14f
Status:
Included and unchanged
Block:
#2,993 3,020 blocks after it
Position in block:
Transaction 135 of 169
Award day:
Feb 16, 2017 (9 yrs 8 mo ago)
Value:
₱2,904,604.16
Project:
16NF0128
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 #2,993 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 - SDN 1ST DEO awarded it to C.V CONSTRUCTION & DEVELOPMENT on 2017-02-16.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16NF0128: 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 2017-07-12). 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 c61f75b6c8…b4d14fnow …
- 2. Block Merkle root changedstored c1b40317a5…6f5069now …
- 3. Block #2993 hash changedstored 35caad93a2…c52aa4now …
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 168 records. Each step hashes the current value together with the sibling shown.
- leaf c61f75b6c8ef16d3e2ff3cb21bfdaf4d39202d32d1f1689c6c84391b7bb4d14f
- 01 L c549b01eadf2f2df4afa36a48d5b266c4127b30a9f4a7b6380d90c668a9f9e63
- 02 L 6470ebd694493846b8b84f8bb2dd69a6f733087b39225e154c61a1a03de8925d
- 03 L 785eb3a5a2102c92de63ec666e0dbbfd97cc8b6ce4c7747f9ca93a6a1a83e44b
- 04 R 1659e0f9179d8e070193c8c988f4b5c5f8b9eb310ef2601ba8c61895c3430177
- 05 R 115461688f46b83c4bf3bc7db6e10b7992f09eada7c751ce5a6442128c580183
- 06 R 3924301d5ff74c3fec7f38c88f9c7bfdc6a858a9761d8ba0dbb520c9e7b0af37
- 07 R b889d4b77df3b9edea0c76754ad9aaccbc72eb97dc20189ec20e324aa855a01f
- 08 L 7a77696154dc3684b8a8500cdbb8ef1a8d1eab86c2d55cb3dda8194a6c11d77b
- root c1b40317a54f20638836c4f27cf0f7752456e300708d395ef27175d8f06f5069