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 - BULACAN 1ST DEO Award a ₱2.8M contract to TBB CONSTRUCTION CORP.National agencies
Transaction hash:
8a12d65a2912e1f1d488476d40c316334f87b36d279d0b6f00f34acdb26d438d
Status:
Included and unchanged
Block:
#4,196 1,817 blocks after it
Position in block:
Transaction 133 of 243
Award day:
Aug 18, 2020 (6 yrs 2 mo ago)
Value:
₱2,837,363.22
Project:
Lipana HS, Sta. Rita, Guiguinto, Bulacan
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 #4,196 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 "Outside Infra - Contingent Fund 2019 Extended". 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 - BULACAN 1ST DEO awarded it to TBB CONSTRUCTION CORP. on 2020-08-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20CC0267: 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 2020-10-23). 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 8a12d65a29…6d438dnow …
- 2. Block Merkle root changedstored 220d80651e…ff8b3enow …
- 3. Block #4196 hash changedstored 3313d72647…6fa238now …
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 242 records. Each step hashes the current value together with the sibling shown.
- leaf 8a12d65a2912e1f1d488476d40c316334f87b36d279d0b6f00f34acdb26d438d
- 01 L 893975eb12f50f61a8fd3cfb4f8c031ddb85b464eb7b0b015537987a298c83a5
- 02 R 00b96cc95c4fb94ae0f9bcab2f7f672bc2703a7ff10d7fa58257fded86492973
- 03 L 5449bb85c16868259466ffc368c152444764786d1914b9da554a9d7045ab7c7b
- 04 R 5af71ed3fef17ce20927ac9b545019bdfd5af8ea4212089134159760931012e8
- 05 R 3f1ce0a37d8c818dab4efbc978cfc95f85055180c33886d9144f02169427116f
- 06 R 8dd806d42cf45fb40ddb8723e804e1d372e9e7b7fa9dad4b514fe5242642e357
- 07 R b685e3e6e6fca5e1ea61b9b034cf9f9110dbc06bc93300ea6af8f6498184b7b5
- 08 L 9608f30ed33d8b9b3d928f5b95e546d913bc6cc414c2edba95fa67e84b024ec5
- root 220d80651e00eeed8f461c6fe4b602be70a556d8c4195199a1a3ed92edff8b3e