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 - QUEZON CITY 1ST ED Award a ₱83.4M contract to A.L. SALAZAR CONSTRUCTION, INC.National agencies
Transaction hash:
34844f9846ec45cc7645751d6c56f61e9dfa2e567da858e3fbbfe4b2ec9c29b6
Status:
Included and unchanged
Block:
#4,719 1,294 blocks after it
Position in block:
Transaction 197 of 878
Award day:
Feb 14, 2022 (4 yrs 8 mo ago)
Value:
₱83,373,114.19
Project:
22OF0051 Construction of Slope Protection in Marik
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 #4,719 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 OO-2", 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 - QUEZON CITY 1ST ED awarded it to A.L. SALAZAR CONSTRUCTION, INC. on 2022-02-14.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22OF0051: 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 2023-03-06). 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 34844f9846…9c29b6now …
- 2. Block Merkle root changedstored b443a37048…20c5a7now …
- 3. Block #4719 hash changedstored 75715c1da3…cf0b3dnow …
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 877 records. Each step hashes the current value together with the sibling shown.
- leaf 34844f9846ec45cc7645751d6c56f61e9dfa2e567da858e3fbbfe4b2ec9c29b6
- 01 L 344d92c8c80696d60f177ebce1933e5a4f9ccdc33b7c8d788eb94990c361a3ed
- 02 R 6f8eba6503c659b6aad9d2d6111008ef330265d6c43a6ef19815d528a09a9b09
- 03 L 420231dc6481600b2398e62c568ed9b3bc60f535f8d8de3e069665f4df52ba15
- 04 R 9b9bddc7ceb093aaee42ec83a69498a21562c1389e0647ab99450a1de24dc121
- 05 R b079441186efa7530188c7e2fca1489ed2c028cf26ef99328b22ca05d3fe5fa1
- 06 R b28f1c1528443d38c62de8019d019f7502f56704fa60bd806490cd4272a49f4a
- 07 L 996725f130d3ed0ad98a540add7f1acd936a23ddb6b917ffdd122c4d4a875a90
- 08 L c31f41b7ce211ffc94d6b69edba1c72741073c34749d2f6ae1d0324b4ba91263
- 09 R 21cb57cd7824930cb165e89788537e3050716198b6b4f5e90ecea1473b267a99
- 10 R d1ca0f409a449590d8d109ea53c5d348c380ce105a27bdaec151bde769156e27
- root b443a37048a6ab7970a0cd1660f58bc1f1564885e1d60b3289a8f02cda20c5a7