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 - REGION X Award a ₱4.8M contract to AJ CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
256ce86fb70e212ebeab4df55738b975cdbd1c145b49ae29adee23c6f544816c
Status:
Included and unchanged
Block:
#4,719 1,294 blocks after it
Position in block:
Transaction 130 of 878
Award day:
Feb 14, 2022 (4 yrs 8 mo ago)
Value:
₱4,800,677.19
Project:
22K00114
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 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 - REGION X awarded it to AJ CONSTRUCTION AND SUPPLIES on 2022-02-14.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22K00114: 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 2022-04-13). 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 256ce86fb7…44816cnow …
- 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 256ce86fb70e212ebeab4df55738b975cdbd1c145b49ae29adee23c6f544816c
- 01 R 25b1e76bddee4f7371edc40b1b3b43dbc23e1609514e0d971e52ee37ae3a1c26
- 02 L a0503ef4fc41eb1bb3f8f3c15ba33f531ab154df2a24077ad740a3bc90483a59
- 03 R 83852326b58b65121527b194559befe1656e3e666e7e5ed4db22fbc1176b8276
- 04 R 5e3a60ee56a919188e75752aa3480a4e6d1b34242593c072643e053c85557036
- 05 R f3c523591e5459aac1983acfd50ecdd40a36853ced76dcf50445d8fd635aa203
- 06 R 56a798e42e89fa41d613c4219db3f288c75d78f654ecc564848b1d9c4a9d2e65
- 07 R 73d1cdad777857ac9b703951a5e448672f06dca29309b331c478f27e933d57dd
- 08 L c31f41b7ce211ffc94d6b69edba1c72741073c34749d2f6ae1d0324b4ba91263
- 09 R 21cb57cd7824930cb165e89788537e3050716198b6b4f5e90ecea1473b267a99
- 10 R d1ca0f409a449590d8d109ea53c5d348c380ce105a27bdaec151bde769156e27
- root b443a37048a6ab7970a0cd1660f58bc1f1564885e1d60b3289a8f02cda20c5a7