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 MARADEKA CONSTRUCTION SERVICESNational agencies
Transaction hash:
26ab6dc528e4afdb3c3bf8ec7fc96960b59afa6f63cd93b278f1c5a25bc595c8
Status:
Included and unchanged
Block:
#4,987 1,026 blocks after it
Position in block:
Transaction 43 of 238
Award day:
Nov 25, 2022 (3 yrs 11 mo ago)
Value:
₱4,767,722.16
Project:
22K00212
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 #4,987 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 MARADEKA CONSTRUCTION SERVICES on 2022-11-25.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22K00212: 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 2023-04-03). 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 26ab6dc528…c595c8now …
- 2. Block Merkle root changedstored cd7185be2e…db514bnow …
- 3. Block #4987 hash changedstored 4f66693e9b…e6df21now …
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 237 records. Each step hashes the current value together with the sibling shown.
- leaf 26ab6dc528e4afdb3c3bf8ec7fc96960b59afa6f63cd93b278f1c5a25bc595c8
- 01 L 2673f0d7c9c4bb590e79e6dcceefd4c67acaa1651e41ac6891de0b595b3fc242
- 02 L 77c2c1945069bc9eeec3914fa6dbb92ba65879ec34fc64b780e66807afee3cef
- 03 R 6cc60dd5035ce1ac863582c116151f0a6d5e219f62d37259361be28d825de784
- 04 L f8d13b894721de414f39636b5279d3dc74a2a243475cbce589f3affbfb8574a2
- 05 R 4a797db077ac530276536847e4f3ee63cad1d34607c2d6fc05c17b1d6cc2a074
- 06 L bced086926e35ac33803d1a5751ef008c2a019ca35514fbec8a0ca5ebc9e2893
- 07 R 25033c0a5194b7679e3c725f55f625671302456809b874b6aaafee0622ccaa19
- 08 R aea1303ab84bf81535952c5994da223198199935317233fc702ce9db9e3edf9e
- root cd7185be2e278bcc4cb4c5885c45e32aabac7221217ce21f4c9017ccd1db514b