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 - DINAGAT ISLANDS DI Award a ₱977.5K contract to DDS BUILDERSNational agencies
Transaction hash:
d2aa8e0b86b284fd757c3fc4a0a7bba161b837c50fbed86aff83ddc0ea191950
Status:
Included and unchanged
Block:
#4,009 2,004 blocks after it
Position in block:
Transaction 573 of 691
Award day:
Jan 29, 2020 (6 yrs 9 mo ago)
To:
Value:
₱977,477.01
Project:
20NE0062
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 #4,009 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 OO-1", 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 - DINAGAT ISLANDS DI awarded it to DDS BUILDERS on 2020-01-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20NE0062: 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 2020-05-18). 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 d2aa8e0b86…191950now …
- 2. Block Merkle root changedstored 3d2c2c54f3…03e74dnow …
- 3. Block #4009 hash changedstored ff9f5949e8…44574anow …
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 690 records. Each step hashes the current value together with the sibling shown.
- leaf d2aa8e0b86b284fd757c3fc4a0a7bba161b837c50fbed86aff83ddc0ea191950
- 01 L d22037942c34ddb67d9b8551fef727c353365df0e3bf6b5fd66c49bf8794da85
- 02 R b5fba19196b34e5b4fe829893aa0435e8924fe2ad608f06686eeeecd2af55c84
- 03 L 607244739567dff00b85e3ffb07d57d688862cc060adba09b880dfcebb8a2577
- 04 L 9a0d14fb723a46eacc786469428ccacb97615f4ee6c3101f3220dcc11cf4e87f
- 05 L be88ce4582e484c106b9734848f6af153d07f62106c16cc7a52805878415eaa4
- 06 L b2e753402c74078cf05342b0f5099c29125197dacb5ebdd267814f426e72a41c
- 07 R 1826fcdda42f795911feb34968c4fc9249337b9c9507ed1ab1e41910ddf637eb
- 08 R 3d173d2527e39c0b1c48a6d3771fb7650019318ca18e7db2cb886ef15d20240e
- 09 R e57fe7af858ee8ae6a65f9d9ab2dd73493aeec5a41e0dff5025f57743db00ec1
- 10 L e1e135dbf92105bbfff9d9e8b4182438cdd7431e0e0023ea18c3cc7210200169
- root 3d2c2c54f327c9f293356713398ed76f9410482aeffaa7e0b4e08e4b8603e74d