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 - NORTHERN SAMAR 1ST Award a ₱24.4M contract to SAL CONSTRUCTIONNational agencies
Transaction hash:
e83be2f774d96c8dfc2e6e0ff448add7dc219a82fd00ccf26bebabb853da7d63
Status:
Included and unchanged
Block:
#4,071 1,942 blocks after it
Position in block:
Transaction 49 of 53
Award day:
Apr 3, 2020 (6 yrs 7 mo ago)
Value:
₱24,367,194.70
Project:
20IH0063
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 #4,071 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 - NORTHERN SAMAR 1ST awarded it to SAL CONSTRUCTION on 2020-04-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20IH0063: 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 2021-12-27). 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 e83be2f774…da7d63now …
- 2. Block Merkle root changedstored cc7eb30593…8bd5c9now …
- 3. Block #4071 hash changedstored e535570af3…5df47bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 52 records. Each step hashes the current value together with the sibling shown.
- leaf e83be2f774d96c8dfc2e6e0ff448add7dc219a82fd00ccf26bebabb853da7d63
- 01 L e43a6452c0e81348de8f522ffc72d24eb3181dcc54ea12e71ff5a4e79c36c283
- 02 R 377a8bad7e86ee984379dc5c7e925cdda4a86a6b2b784ff28dde1af5a11f72fb
- 03 R 1bf3fd393adf502ddd5c76821b2c3145bbb50b5c385c39083464e71f950b4b0b
- 04 R 99fb7caf565f732b54170754a4648a0b2b13349177a6751852d1732545fbc480
- 05 L 534b17f1fa1c2f21267da05d858fa81961ecc5d8cbb09521b6fa01ea467624f3
- 06 L fe4b85d56ac9996a5562caee1d5e7c3803415d0143f3f013e4df947d7100d23b
- root cc7eb3059394e61af2910880fc35826f61a47fc6341d65b374e256413d8bd5c9