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 ₱28.8M contract to IKM BUILDERS AND CONSTRUCTION SUPPLY CORPORATIONNational agencies
Transaction hash:
28928bf8a7ea09d562852a75b7900034dd1fea7e61eea6e8a83e7fd35db6b6b0
Status:
Included and unchanged
Block:
#4,289 1,724 blocks after it
Position in block:
Transaction 106 of 617
Award day:
Nov 24, 2020 (5 yrs 11 mo ago)
Value:
₱28,810,450.00
Project:
20DD0341
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 #4,289 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 LP", 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 - BATANGAS IV DEO awarded it to IKM BUILDERS AND CONSTRUCTION SUPPLY CORPORATION on 2020-11-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20DD0341: 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 2021-05-07). 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 28928bf8a7…b6b6b0now …
- 2. Block Merkle root changedstored 7c5e21da7c…7c05fanow …
- 3. Block #4289 hash changedstored d7f9ef0bd8…d63964now …
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 616 records. Each step hashes the current value together with the sibling shown.
- leaf 28928bf8a7ea09d562852a75b7900034dd1fea7e61eea6e8a83e7fd35db6b6b0
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- 02 L 6491f889ebfbb6dd98abd54d3d659f25fddbf3effbe80bd590989c06c9562d94
- 03 R 81a678cea095625130e280112a0b7907d83000651bd442e78fb08f22be1e196f
- 04 L af02854a21714b3c445f1b03133e77c1524fb89a5235f681f39d5635558c974c
- 05 R b971beab286d3fff82132d1f3b87bf2d5474dc45950ad4255148aa41ccd66009
- 06 L 61d12acbd350680a1635b6a86aad7c39af5efaa78c57a8ab406757a9c0836300
- 07 L c80b14e02c519dde6d7456858d27cf28963ea9abb5ce58d7d6dc4c94aa13a274
- 08 R 1a5f24016ef911e8c16b2a9504aa9520e84c0664edf1541589c592143a917005
- 09 R bc18f7eef5af2c8f9e7fff43d564d200e2ce67f4e06c6ad55888d4ea14bbf829
- 10 R e6b4963ed7be97282033672deca7ce82cb0bf238929d5b934455937cfd53e440
- root 7c5e21da7c16a717aacef7a819d1dd0b71ed2b833da72ed4975498f9af7c05fa