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 - SOUTH COTABATO 2N Award a ₱4.7M contract to SILENT OPTION ENGINEERINGNational agencies
Transaction hash:
4e054c73e9b1d985aa59e3bbed8dab73cc11ca2aa27505b92b3357a06fab11e9
Status:
Included and unchanged
Block:
#4,042 1,971 blocks after it
Position in block:
Transaction 66 of 209
Award day:
Mar 4, 2020 (6 yrs 8 mo ago)
Value:
₱4,678,895.24
Project:
20MB0023- Construction/ Improvement of Access Road
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 #4,042 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 - SOUTH COTABATO 2N awarded it to SILENT OPTION ENGINEERING on 2020-03-04.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20MB0023: 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 2020-07-09). 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 4e054c73e9…ab11e9now …
- 2. Block Merkle root changedstored e9edfdeeea…cdc8denow …
- 3. Block #4042 hash changedstored 72d1417ce1…3ad945now …
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 208 records. Each step hashes the current value together with the sibling shown.
- leaf 4e054c73e9b1d985aa59e3bbed8dab73cc11ca2aa27505b92b3357a06fab11e9
- 01 R 4ec7d1a425d082442c200659c4a505cbcc8ca0a2498a3d18430f28068030a66d
- 02 L c6be0913f9e715d14eccc4d0f4ca95bd65aec685eca27c280e79068890cc9ca6
- 03 R 9682f26edba499235b0d6aa27f0f515dd24988e4035f2a7adff4e46b2bf4488f
- 04 R 8fe4a6553953973c27b1494e06a54af86a83edf7b580cb56c86f222a6b91fe40
- 05 R f7ee5fa075f55a1675b04e3408aec546984b32bdd4a9f5dd0f54de5b58abd1ea
- 06 R d759597c636afa810ff86b68159b6e2f047bc1209b823a81bcdfa6318fa5428f
- 07 L a1da87fd417949733b020a8cb3ada07b9cfaa95052bbe3e30d80316fce622cfe
- 08 R b561c7975a6162c32b24cf1aa0e79e97de4a17929fd495b8bdaef2b4379267c9
- root e9edfdeeea65a9046a9bd5146d52ed9ebfcf43ebb13dab31a1f7135449cdc8de