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 V Award a ₱19.3M contract to DSB CONSTRUCTION & SUPPLY, INC.National agencies
Transaction hash:
49bbd8df7e8dbde93453038764cc9475f94039e4024d2cc370093b8308502ab0
Status:
Included and unchanged
Block:
#602 5,411 blocks after it
Position in block:
Transaction 3 of 7
Award day:
May 20, 2009 (17 yrs 5 mo ago)
Value:
₱19,289,964.49
Project:
09-F-A-033
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 #602 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)The award does not say which budget line pays for it.Not published
- 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 V awarded it to DSB CONSTRUCTION & SUPPLY, INC. on 2009-05-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 49bbd8df7e…502ab0now …
- 2. Block Merkle root changedstored 42c57aa660…5f7e97now …
- 3. Block #602 hash changedstored eb4ab7d73f…bf24d4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.
- leaf 49bbd8df7e8dbde93453038764cc9475f94039e4024d2cc370093b8308502ab0
- 01 L 2cab41da35fac8d5a272f9a787c036ff7f7db2d680fe6749a3f88c27acf8d121
- 02 L ee9c4a693bda3b78a30a66389450373fb95be46ecb0531b2a4ca169ef0d07586
- 03 R 9aff605b8d242d1770a0f3f8f4020321fcd6b6ca8a79c043e158af520dfa301c
- root 42c57aa6603431a8f3951a330a379dd8d4cd592061e89a38a7c69858d65f7e97