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 ₱1.9M contract to GEA CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
e2d0dcfc7921047b62df5215daab109dbd86970ffb834fca8c04529b15504961
Status:
Included and unchanged
Block:
#54 5,959 blocks after it
Position in block:
Transaction 9 of 10
Award day:
Feb 14, 2007 (19 yrs 8 mo ago)
Value:
₱1,910,954.50
Project:
San Jose 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 #54 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 GEA CONSTRUCTION CORPORATION on 2007-02-14.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 e2d0dcfc79…504961now …
- 2. Block Merkle root changedstored 4dd26b7bf2…c87d8fnow …
- 3. Block #54 hash changedstored eb549d876e…aa222anow …
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 9 records. Each step hashes the current value together with the sibling shown.
- leaf e2d0dcfc7921047b62df5215daab109dbd86970ffb834fca8c04529b15504961
- 01 L e2920d2e584ef9eb58c32af92ed606d20a1f3ae1013466843a576c801e2bdf81
- 02 R a45e87c48b83a72cc351305c9d9bd80f3f0c670fa9ff5af4ff7dd9025e27503c
- 03 R dc5814ef540c61fe7dbaac0f0a1d421df428e7417fbe02bcb0f61304e965a94e
- 04 L e1d637b8e37b91bfe35cedd7960d02afa228d12afd957dc1911b71c6136761cd
- root 4dd26b7bf209204a9456914ac5631df3e36a20cc7c8f14de39ad0b4876c87d8f