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 - DAVAO DEL NORTE DE Award a ₱3.3M contract to TWINA BUILDERS AND SUPPLYNational agencies
Transaction hash:
b9223ff26b17ce8ff2e10e2b0caaaf57a78cbb8c33f3ad7d8504e4541a540039
Status:
Included and unchanged
Block:
#3,077 2,936 blocks after it
Position in block:
Transaction 131 of 185
Award day:
May 16, 2017 (9 yrs 5 mo ago)
Value:
₱3,288,285.45
Project:
Construction of MPB (Gymnasium)
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 #3,077 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)The award does not say which budget line pays for it.Not published
- 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 - DAVAO DEL NORTE DE awarded it to TWINA BUILDERS AND SUPPLY on 2017-05-16.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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
1 of 8 documents found, 0 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 b9223ff26b…540039now …
- 2. Block Merkle root changedstored 55252a09d1…482124now …
- 3. Block #3077 hash changedstored 3fde6faeb8…83f8b8now …
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 184 records. Each step hashes the current value together with the sibling shown.
- leaf b9223ff26b17ce8ff2e10e2b0caaaf57a78cbb8c33f3ad7d8504e4541a540039
- 01 L b871c94db53723c431ad5c7b7608b9a37f58f375104b46bf4e0cc42ab30c7d7c
- 02 L a7d2bac76de9027fe5b967a530c06e82264eba2f5ba71bd51ae8a788f0a49f87
- 03 R 3e5bcb45aebef72d4e31212fea4b988794a09645f547db16a3f3b1bec1f8a7c7
- 04 R 79ae01a65908c28f13b8727b3887d4ebb209e275111aeed7861dc0f2023eb4d3
- 05 R 9b4358efd395b400106bb4c8c40db0118476a4b79fb617f28509b5f89d0d35c9
- 06 R fd9350a8971275ee4e566ab01271331a9956e9415dd14ea251731c7fdd9ce3be
- 07 R 3c897f294b3dc056bfc7ff35db7564e44fffca347c152bed5898f52816be5cbf
- 08 L c6282daffd1e03e1d033d8d69efb3fbab72e8014757224a34052706bb4505943
- root 55252a09d119e14074f2ae47d1733a16f994bb9cccde952534bdcf99a8482124