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 ₱28.5M contract to NATIONSTAR DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
35c8c2c689043b031cbfa6b5cb7b45064bf25b1a6f099205231b1c264c8e5d4f
Status:
Included and unchanged
Block:
#4,277 1,736 blocks after it
Position in block:
Transaction 49 of 240
Award day:
Nov 11, 2020 (6 yrs ago)
Value:
₱28,477,618.22
Project:
Municipal Arena, 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 #4,277 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 LP", 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 - BULACAN 1ST DEO awarded it to NATIONSTAR DEVELOPMENT CORPORATION on 2020-11-11.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20CC0215: 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 2021-07-23). 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 35c8c2c689…8e5d4fnow …
- 2. Block Merkle root changedstored b7cba21b6c…93d9aenow …
- 3. Block #4277 hash changedstored a273fed681…206ae0now …
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 239 records. Each step hashes the current value together with the sibling shown.
- leaf 35c8c2c689043b031cbfa6b5cb7b45064bf25b1a6f099205231b1c264c8e5d4f
- 01 L 3528b72bf348fba373016db7912b035c51b9cbd5b6e01f12d655c877c5ae391d
- 02 R 623072f6076ca5ed831759b4d1a5822f4563d00bc36ae692f85e90af5c418a59
- 03 R b51a9a409acb86788358accaa0a9ba58f594db12e4fbb280478ba19a62130e3c
- 04 R 2703198bb16f6b893e02c464166497af48277562f5183cf770f8dc8b95e9fc58
- 05 L a98cd2f47681f186897aaf480383b82aec179c8c67526108feb6ae4aa514b138
- 06 L 702cc48bf01c7228b14cea13b538c58f3acecde9d1a959f75e8ae183a71fe74f
- 07 R 0796ba51b1175175b39aa2b3a3424d8110fcbf8e656f60be2b30809b0920b386
- 08 R 21b4bcb9d1ae005f4bb378cbb7400cad899062bd1ca22b391ef535d5ae12f8fa
- root b7cba21b6cb8ce8e71f8366fd6e0c214838d694b9ed576bf3b567a0ae593d9ae