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, NORTHERN SAMAR 2ND Award a ₱3.2M contract to OPEN BUILDERS AND SUPPLYNational agencies
Transaction hash:
83ce863b2fd3397d5feda81efccdf17e3d12334f1141ed486d3128aea5bf6346
Status:
Included and unchanged
Block:
#685 5,328 blocks after it
Position in block:
Transaction 7 of 13
Award day:
Sep 10, 2009 (17 yrs 2 mo ago)
Value:
₱3,167,538.69
Project:
Construction/Rehab./Replacement/Completion & Repair of School Building under cluster SB-09-03
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 #685 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, NORTHERN SAMAR 2ND awarded it to OPEN BUILDERS AND SUPPLY on 2009-09-10.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 83ce863b2f…bf6346now …
- 2. Block Merkle root changedstored 0114cc3884…7d7eb5now …
- 3. Block #685 hash changedstored 0862a1fec7…aaf81enow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 12 records. Each step hashes the current value together with the sibling shown.
- leaf 83ce863b2fd3397d5feda81efccdf17e3d12334f1141ed486d3128aea5bf6346
- 01 L 7dfe16d6f70f7cf88bb69cb6dedb8d539f32e993d1500d8fc7c77ca31bbc2434
- 02 L 4d5b7ddcfb79f9742fc701c78d4d5c755333140dd582015f08dbf5c54a8a5d7d
- 03 L 5d0538132f2aefc41651c894e29b715e4661a5dec1378b450475216801f7f773
- 04 R 0e3d4292e22802cbbca4a3416c228b3a94b78eedd00231ee1ca4563770f15d39
- root 0114cc3884fc70346887021338ccada4a6ec09d9097877c29f017568ba7d7eb5