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 - BATANGAS IV DEO Award a ₱1.9M contract to MAGNA RICH TRADING & CONSTRUCTIONNational agencies
Transaction hash:
f4d7b2afd3128fc825b7cd097948c12877bca62867aa23bf676fe4b34d30c9f1
Status:
Included and unchanged
Block:
#3,074 2,939 blocks after it
Position in block:
Transaction 218 of 228
Award day:
May 12, 2017 (9 yrs 6 mo ago)
Value:
₱1,910,700.00
Project:
17DD0059
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 #3,074 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 2017 LFP", i.e. the FY2017 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 - BATANGAS IV DEO awarded it to MAGNA RICH TRADING & CONSTRUCTION on 2017-05-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17DD0059: 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 2017-07-12). 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 f4d7b2afd3…30c9f1now …
- 2. Block Merkle root changedstored 5f2bd1ba01…3bfcc0now …
- 3. Block #3074 hash changedstored ab20b426d2…c9b9f1now …
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 227 records. Each step hashes the current value together with the sibling shown.
- leaf f4d7b2afd3128fc825b7cd097948c12877bca62867aa23bf676fe4b34d30c9f1
- 01 R f6e441457a8fa5130cc5301f57b41ab6fd75c70b80e41a29d75b27dcd9af48bb
- 02 L 397e9674ca48b0d87ed63800a99b8a09b2982f98ef931fbd3276de34855180e7
- 03 R c2649ee66df84b14e9fc417276dfa3c1405d4cef6cf8515a0e10cc3f0285227b
- 04 L dacaaf564586cc52a27853bc9e82e2cfa59a1d912b5dbad10710c146367dd900
- 05 L d1e8f93a49cfbfbd6a8fcc712a653bf2ab97463ee1ddfc95bb04af24a90ba411
- 06 R 9a4349cf5cf22ef2158fd0016256a25831e2231f3371e2f1bb8867c5de7980c8
- 07 L a804a96799db4c5fab18771266a2bd159705dc3ab485f73001e8d34ef005423a
- 08 L 12d198e1d28b3d695c678711bdfea80fba0370eae89f94fdba28e3c748bbc9a5
- root 5f2bd1ba01087668b46ca3e3797ed55d829eda2b72e04b0f74c6b4b4de3bfcc0