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 - NUEVA ECIJA 1ST DE Award a ₱4.8M contract to NULAS BUILDERSNational agencies
Transaction hash:
c34d6ebbfc40d2c8a899406168eb9b28601feb2bf0bac94d4e887419b5967684
Status:
Included and unchanged
Block:
#4,708 1,305 blocks after it
Position in block:
Transaction 454 of 603
Award day:
Feb 2, 2022 (4 yrs 9 mo ago)
Value:
₱4,849,982.65
Project:
22CE0101
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 #4,708 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 2022 CSSP", i.e. the FY2022 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 - NUEVA ECIJA 1ST DE awarded it to NULAS BUILDERS on 2022-02-02.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22CE0101: 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 2022-07-23). 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 c34d6ebbfc…967684now …
- 2. Block Merkle root changedstored b44025e81d…f2fd21now …
- 3. Block #4708 hash changedstored 3ed92e1ff6…72222fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 602 records. Each step hashes the current value together with the sibling shown.
- leaf c34d6ebbfc40d2c8a899406168eb9b28601feb2bf0bac94d4e887419b5967684
- 01 R c38274497f1a37fb5f887529a463ac6b842e7b9a3f267a3cc794bd5b715a4f9d
- 02 L eddbe359e8214effde452a0804586649c45a8a44d8d660b9957263563dbb1287
- 03 L 03d5d635bd2b30b6dbd4ef5edb87bfb219ec7eb0111305cff0943f12b173a600
- 04 R 898108f1c8ee3d244e956b52e30c40cac45a6ca964ff7eab3b5c0d78deab7217
- 05 R 98c71c7cff098033e56014bc47e442c7a11794d461df5859f108d23daca78630
- 06 R 4e07111ea82aedacb887904a56696977ae53f03f062f18d252976ee14403e305
- 07 L 957e6a06192c0c891c3dd87da5b33f997dbe833f84f6e636496be4c8a9d0f87d
- 08 L 09566b35ad587c5aafb08c9478c77952e8cefe01e449dc6a9c0c27806a520f71
- 09 L 6663d970da11f25f9acfbb3533ab5731130ee2462fc8613fc8acb60f4c34d051
- 10 R 34fe15f333d9d3f431db6e296b093896a6aef5f3f13008f9333b05789e9c54d3
- root b44025e81dd1a415c106e3f1687ce00f5a08cc4b533eb968f6a9772f4ff2fd21