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
CAMARINES SUR POLYTECHNIC COLLEGES - NABUA CAMPUS Award a ₱1.8M contract to BLACKRAM BUILDERS, INC.National agencies
Transaction hash:
ed36c3bec1997ab20703de0d926c9e66b570ce2cea50565b2c792003f3017191
Status:
Included and unchanged
Block:
#2,900 3,113 blocks after it
Position in block:
Transaction 160 of 170
Award day:
Nov 8, 2016 (10 yrs ago)
Value:
₱1,789,167.56
Project:
Proposed Underground 3-Phase Secondary Line (Re-Po
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 #2,900 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)CAMARINES SUR POLYTECHNIC COLLEGES - NABUA CAMPUS awarded it to BLACKRAM BUILDERS, INC. on 2016-11-08.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 ed36c3bec1…017191now …
- 2. Block Merkle root changedstored 8b2d8994e4…96de01now …
- 3. Block #2900 hash changedstored fa3be5ebeb…177f74now …
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 169 records. Each step hashes the current value together with the sibling shown.
- leaf ed36c3bec1997ab20703de0d926c9e66b570ce2cea50565b2c792003f3017191
- 01 R f1d29037f7a8d81ff2acae441297d142485e7d4a0a1370e61934912a2a4c1743
- 02 R 69f481c99d888577a6939ab554f7fb49d663c7ef50a44362b94f2fe4686f1b98
- 03 R ef6d852cddcd4ce44468e75c9141be634e45ce0b467d445f0c5c5b669460dda0
- 04 R c8df179d2f6c78e7016f13a2c75bfbb3a7994db56c44dd42c75b46fdf8a92f78
- 05 R c4f875fc0dbb3fe3ed568484ffa455c4eaf56f4d3400b2ddb5bd801e93cbb743
- 06 L f99baf4596aa1c04109f222f38458ebaef8886e21e650df205d3921a72ae1332
- 07 R b467f7b4927f4cb4c39c3737941111a0c1286ad259c6fe2a6f803ff5d15f0fd3
- 08 L 568bd1b19457cc147110e8d99b81d26e921ceca23ecd54a15a01d1c39857bf5c
- root 8b2d8994e435718c61a0bf90dfaa398f05129b757d264d0ec9dacf10dc96de01