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 IV-B Award a ₱273.1M contract to IVY MICHELLE CONSTRUCTION AND TRADING, INC.National agencies
Transaction hash:
f1b258d55959ede0a36cd19e953e4ba4e12c5a312d72e2d7a04f14cf41e6369d
Status:
Included and unchanged
Block:
#5,100 913 blocks after it
Position in block:
Transaction 492 of 529
Award day:
Mar 22, 2023 (3 yrs 7 mo ago)
Value:
₱273,130,052.12
Project:
23E00181
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 #5,100 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 2023 CSSP", i.e. the FY2023 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 IV-B awarded it to IVY MICHELLE CONSTRUCTION AND TRADING, INC. on 2023-03-22.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23E00181: On-Going, 77.35% 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 1 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 f1b258d559…e6369dnow …
- 2. Block Merkle root changedstored ee5123c4c1…ec27b0now …
- 3. Block #5100 hash changedstored cd988adc6d…3bcc87now …
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 528 records. Each step hashes the current value together with the sibling shown.
- leaf f1b258d55959ede0a36cd19e953e4ba4e12c5a312d72e2d7a04f14cf41e6369d
- 01 R f26c326b5d921ab5ad3010175130e9db65f13fdc92c168a88347ec02d6251e7a
- 02 R 3211a3c37ead5201b30d63b35aea64e300a9f248f3826c16be99f00e529009d2
- 03 L f2219032eed0dae28fea204830d63ca39c9cd9a951c56c5f3f6da91429f18890
- 04 L 1dc8e8547e47474285445bd21fdd5eb22277674b05d9d842c0737bb188965c46
- 05 R d9064cd0e979814deb36a08bf3764178e9eb9c021474d16f60b6610de5a40039
- 06 L 0c93bc084eaee0e3fe59ffc9c0535a57c4f39c52750cd09cfd1931d85e9d474b
- 07 L 3dc3828eedf66094a7550bbcf214a79509373126207bf2441aee76421f4dcb92
- 08 L 097785e7b9e3416bae87fbaffac00cef97cf833675497214af3931f4d0ce9607
- 09 L 6829a1cc45f2f3fa8c559d9da97cc953038626f484e2318ca11397f4dbf273f8
- 10 R 1cb7a19e9cad73b92f597e16a1cccccc64720fd6363362f3181a280aa3a778d1
- root ee5123c4c1fe25c87a28480768fc71bd7d08798a5d13111020a7643761ec27b0