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 - SAMAR 2ND DEO Award a ₱62.1M contract to ETAN CONSTRUCTIONNational agencies
Transaction hash:
0ef97ff6c43652fa89b14db2e5e97ddd157663633cb65159355c6a8c99775c7c
Status:
Included and unchanged
Block:
#5,073 940 blocks after it
Position in block:
Transaction 11 of 226
Award day:
Feb 21, 2023 (3 yrs 8 mo ago)
Value:
₱62,097,744.98
Project:
23IK0033
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 #5,073 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 OO-1", 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 - SAMAR 2ND DEO awarded it to ETAN CONSTRUCTION on 2023-02-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23IK0033: On-Going, 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)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 0ef97ff6c4…775c7cnow …
- 2. Block Merkle root changedstored db4911ef13…cbee50now …
- 3. Block #5073 hash changedstored 27ed0a4a6e…d1cce4now …
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 225 records. Each step hashes the current value together with the sibling shown.
- leaf 0ef97ff6c43652fa89b14db2e5e97ddd157663633cb65159355c6a8c99775c7c
- 01 L 0cdcddffbd4ad08a266df6518ef7227ad940369b7caaffc207c22fd286a7261c
- 02 L 06fe3813b3f7b05fc6c9fd9f0bd215e9949150321799faab541b19de72a2fe07
- 03 R 066acbaaa8a813ee04b6549c187f5871d0ba65ba7d554e46eaa2ee4695369145
- 04 L 5e86a81d8263d91eaedf325f1f9d8e391627c2f895b54f86fb11d9989d2bb502
- 05 R 6a2349ddf52c4c224f7fb2eae59ecfd3274205a764a3922deb59f3d8baadd192
- 06 R e93a319b2ba385766e86571a36894c400218f1351fc0cac7e65bc2464c40ee4e
- 07 R dabad295c82cc0b50d94834121a1e82fc5a1cb700d62b9d8f210bb2814d7a80b
- 08 R f01dd3495094853a60ea711584c6234e51ad8cd8fcebaa43119905ca11c09cb8
- root db4911ef139e15230ac2deaca88cf0ffbe95a9980bcd40cf84a9a89a2acbee50