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 - REGION X Award a ₱17.9M contract to WDM CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
8ecf0d3aa1bb02da5fd98e45c8d427248f2532535919cc1209142247f12856ff
Status:
Included and unchanged
Block:
#2,972 3,041 blocks after it
Position in block:
Transaction 101 of 177
Award day:
Jan 26, 2017 (9 yrs 9 mo ago)
Value:
₱17,920,543.47
Project:
17K00329
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 #2,972 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 MFO-1", 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 - REGION X awarded it to WDM CONSTRUCTION AND SUPPLIES on 2017-01-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17K00329: 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 2017-08-24). 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 8ecf0d3aa1…2856ffnow …
- 2. Block Merkle root changedstored e0b0aefd0e…c64c12now …
- 3. Block #2972 hash changedstored 0ac0300a2b…12cad1now …
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 176 records. Each step hashes the current value together with the sibling shown.
- leaf 8ecf0d3aa1bb02da5fd98e45c8d427248f2532535919cc1209142247f12856ff
- 01 L 8e8dcc4bf3c1aaadd776581154e75b3694ef226742b3cab7910f0e8086cbf9c1
- 02 R ed917089518d68a6c374bc7cfd7b5c4bfeb65527891446803f56e41eae0f123a
- 03 L 89358986d06ffbba4b2dc8751b05104baea36732f05df6d9344f8dd7697d4e09
- 04 R 9dd81772f9539abd593d41d694927ec1bce08a8056a018f3516c1344d6c1ad89
- 05 R 5e694c4d21d501c4f0e64014963599bdcb5d846c3e99dedf28828ea4b0fc01e3
- 06 L 1e3b8e5a4cd4f882f4742df96a01e3bcc2624874a1873cbe0d79110c0e5c7bb0
- 07 L e5c1325eba33900a9f9291a7d3cfb11c115550f03eee6e1bc05d4c4e33e40a05
- 08 R e35f817c992338a9971a208c3e8869c6825aa7222b7ea687fc7c1eedf65776e1
- root e0b0aefd0e407b19b2b2311fd150e4f36e302cf5d26f931643a7eaed5bc64c12