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 - NEGROS ORIENTAL 1S Award a ₱3.9M contract to MAI CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
295efeae33a27d59592ca0ebcc7c69ee1be0664d747eea8ca9d3b4df471ae39c
Status:
Included and unchanged
Block:
#4,809 1,204 blocks after it
Position in block:
Transaction 38 of 224
Award day:
May 25, 2022 (4 yrs 5 mo ago)
Value:
₱3,930,000.00
Project:
Maintenance Project
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 #4,809 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 - NEGROS ORIENTAL 1S awarded it to MAI CONSTRUCTION AND SUPPLY on 2022-05-25.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22HJ0090: 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 2022-08-11). 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 295efeae33…1ae39cnow …
- 2. Block Merkle root changedstored ce4fc82c13…86740fnow …
- 3. Block #4809 hash changedstored 32ea622160…03cdd3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 223 records. Each step hashes the current value together with the sibling shown.
- leaf 295efeae33a27d59592ca0ebcc7c69ee1be0664d747eea8ca9d3b4df471ae39c
- 01 R 2c027e3ad41ca7908504273b6dd55d796f6b6023d63ae6f8cbf00b396ffc8d79
- 02 L cca71815dd53e5b78941cd1b54214814a438e5ade74786c48db4bc75290c0634
- 03 L 01d18153a8d2f0e91710996d9f921ed3299f8100888bca8d71959e066284c2d0
- 04 R 8bf60ad2cc705436ee410f7725cbecfc68ce51c4d689c204fe75f4d1f8f091e8
- 05 R 18a0e8aa7b90407366a7bfc4f8afef81e7e8eb4025db63eed96ca2012235e89e
- 06 L 390bbcc2f8b61a86a3ad989977c40ff86d4ae169e1e5e8d2fb68c3b1aabd6b95
- 07 R 39230b8f39bd44a4195558c3fc7bc21d9fedce6b0a73354ab7b4f9807f1f8c7b
- 08 R 95f831beea83530a8058cf38f79e9ba8d1d00bff7bde4a979eb63cb2e27a210b
- root ce4fc82c13acefc39b404da61eb9dff3f2fe70e6957925b891798dfdf786740f