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 - ISABELA 4TH DEO Award a ₱1.9M contract to CASAN CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
bc6eb2ea22ef56aa9712fae1615508f6de365e613b6a87603b82c69c545e2c9c
Status:
Included and unchanged
Block:
#4,701 1,312 blocks after it
Position in block:
Transaction 734 of 1,015
Award day:
Jan 26, 2022 (4 yrs 9 mo ago)
Value:
₱1,940,300.00
Project:
22BH0066
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 #4,701 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 - ISABELA 4TH DEO awarded it to CASAN CONSTRUCTION AND TRADING on 2022-01-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22BH0066: 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 2022-05-18). 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 bc6eb2ea22…5e2c9cnow …
- 2. Block Merkle root changedstored c7c92dfc41…579451now …
- 3. Block #4701 hash changedstored 16c9933cb8…2c6ba0now …
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 1,014 records. Each step hashes the current value together with the sibling shown.
- leaf bc6eb2ea22ef56aa9712fae1615508f6de365e613b6a87603b82c69c545e2c9c
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- 10 L 05035345cd31df50961c4664e549075fc94cea27bff60f6b07697b5421e2abd9
- root c7c92dfc41c72b224b2b8ad3c5957d4fa8a94eaab74d23b69d27e3741e579451