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
BUREAU OF INTERNAL REVENUE - REVENUE REGION NO. 2 Award a ₱308.0K contract to FOUR BY FOUR (4X4) CONSTRUCTIONNational agencies
Transaction hash:
c29f2df12840a28e7b8f7977e4c5dfb27f71eaa7b4ed0527c506eee56ac5d371
Status:
Included and unchanged
Block:
#1,256 4,757 blocks after it
Position in block:
Transaction 21 of 26
Award day:
Sep 29, 2011 (15 yrs 1 mo ago)
Value:
₱308,044.25
Project:
Conversion of Training Rm to DPD office
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 #1,256 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)BUREAU OF INTERNAL REVENUE - REVENUE REGION NO. 2 awarded it to FOUR BY FOUR (4X4) CONSTRUCTION on 2011-09-29.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 c29f2df128…c5d371now …
- 2. Block Merkle root changedstored 9f54d29f86…199dd2now …
- 3. Block #1256 hash changedstored 4c3dfba705…ee07cbnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 25 records. Each step hashes the current value together with the sibling shown.
- leaf c29f2df12840a28e7b8f7977e4c5dfb27f71eaa7b4ed0527c506eee56ac5d371
- 01 L c1e8fa39f134b7f53f0b3d68b556ddff0a1da88b2e0fe759f2dec2951570354b
- 02 R 35bab68cbd31111ec64dba36b11f8c857dd16e0530a85a28e63c06b500a0c0ee
- 03 L 1d0547f03abc05fa3f0bd91bf5812538b367fce3217658e375c4a854c825dfca
- 04 R f738fcd7f02b87dbf4227536a0cb10d27af29d766ebfc04a7b36ed3350ae3cfc
- 05 L 681cad1c10ea06219caea6fc9fed59481412d64511bc1cba1bb765111aac0904
- root 9f54d29f86ad71d919202b11d577d5cca183cfdc94747d60118eaeb5a9199dd2