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 - DINAGAT ISLANDS DI Award a ₱9.5M contract to NAHARO BUILDERS, INC.National agencies
Transaction hash:
d3cb730c6de15d41cf38c24256df8c8fda9b874ae2fd5f9bf5ea38f5a8f5053e
Status:
Included and unchanged
Block:
#4,009 2,004 blocks after it
Position in block:
Transaction 576 of 691
Award day:
Jan 29, 2020 (6 yrs 9 mo ago)
Value:
₱9,494,359.15
Project:
20NE0057
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 #4,009 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 OO-1", 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 - DINAGAT ISLANDS DI awarded it to NAHARO BUILDERS, INC. on 2020-01-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20NE0057: 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 2020-09-29). 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 d3cb730c6d…f5053enow …
- 2. Block Merkle root changedstored 3d2c2c54f3…03e74dnow …
- 3. Block #4009 hash changedstored ff9f5949e8…44574anow …
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 690 records. Each step hashes the current value together with the sibling shown.
- leaf d3cb730c6de15d41cf38c24256df8c8fda9b874ae2fd5f9bf5ea38f5a8f5053e
- 01 R d3efef2c183389c481f2b830dee6d1cd5323479b888bee9ef0963b5ab70707ad
- 02 R 0ab324652d49ce6b7dd030d244e9c51939fbf1065529718ac56c7aa6e9a403b5
- 03 R e1e6e96244fda106ee9a25c567a7721f51c8b0ac9197b25b50992852812aaf59
- 04 R 1f89f17cbca962bc58a16b107525c6215b2158168378a7615f32223dead9320c
- 05 R 8f1e72b1af7032ff05070ec9ffeabf37d64417e69081ee956fd90499316c9bdd
- 06 R 2149af18fffb2e41953c09ae12a442a38609f76c7d590e9c1cf86d261fe76b89
- 07 L c2fe40541900b2b1bfc1427f5a95928812a4e3db8b5a2753a7657f271a901f3f
- 08 R 3d173d2527e39c0b1c48a6d3771fb7650019318ca18e7db2cb886ef15d20240e
- 09 R e57fe7af858ee8ae6a65f9d9ab2dd73493aeec5a41e0dff5025f57743db00ec1
- 10 L e1e135dbf92105bbfff9d9e8b4182438cdd7431e0e0023ea18c3cc7210200169
- root 3d2c2c54f327c9f293356713398ed76f9410482aeffaa7e0b4e08e4b8603e74d