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 TRANSPORTATION AND COMMUNICATIONS - MAIN Award a ₱13.5M contract to M.R. VARGAS CONSTRUCTIONNational agencies
Transaction hash:
d9a0a552d5be808e4e59d3c342f07dbf3099c17a86bcbe99da3260396807367d
Status:
Included and unchanged
Block:
#406 5,607 blocks after it
Position in block:
Transaction 4 of 6
Award day:
Aug 19, 2008 (18 yrs 2 mo ago)
Value:
₱13,458,850.65
Project:
M’LANG Airport Development Project
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 #406 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 TRANSPORTATION AND COMMUNICATIONS - MAIN awarded it to M.R. VARGAS CONSTRUCTION on 2008-08-19.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 d9a0a552d5…07367dnow …
- 2. Block Merkle root changedstored dfaf96f92f…91a8cfnow …
- 3. Block #406 hash changedstored d35fcb3aa2…8517a9now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 5 records. Each step hashes the current value together with the sibling shown.
- leaf d9a0a552d5be808e4e59d3c342f07dbf3099c17a86bcbe99da3260396807367d
- 01 R fb7375942f631a3f34c5fb482cf0572c8330ec16e04a81424b2db24f22cc97b2
- 02 R c4f84103a5d8c743183a7f55e89ab363a09633dcdf814ac6b064abeae88ebb5c
- 03 L c5459194bf95899b49fe7b0730700754977b02add017e28709f5ffae589fc38f
- root dfaf96f92f212a6a7cfc7861b2519cf1e42a456a992319b201b01c0a0c91a8cf