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
CIVIL AVIATION AUTHORITY OF THE PHILIPPINES - AREA 4 Award a ₱1.6M contract to E.M. ABIN TRADING & CONSTRUCTIONNational agencies
Transaction hash:
012acb35bf46c25aeec6effca448b15ed7194bbe5602164c54fe4775721403d0
Status:
Included and unchanged
Block:
#4,505 1,508 blocks after it
Position in block:
Transaction 4 of 242
Award day:
Jul 12, 2021 (5 yrs 4 mo ago)
Value:
₱1,618,544.64
Project:
Repair
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 #4,505 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)CIVIL AVIATION AUTHORITY OF THE PHILIPPINES - AREA 4 awarded it to E.M. ABIN TRADING & CONSTRUCTION on 2021-07-12.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 012acb35bf…1403d0now …
- 2. Block Merkle root changedstored 27ef7fde67…95edbdnow …
- 3. Block #4505 hash changedstored e4e72a2ffc…619bfbnow …
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 241 records. Each step hashes the current value together with the sibling shown.
- leaf 012acb35bf46c25aeec6effca448b15ed7194bbe5602164c54fe4775721403d0
- 01 R 023a519a0af0ce60fc136aac15d216633dccf347a17d9ba3efe4a3044880505f
- 02 R bc751175fa3c80176a2b67d20d95e37911f579a3314675895c520e3844002102
- 03 L 81e4c3d52279c1ca54546beb76c1045383f0e7044f3d821c2cddc8aa61ac1b9e
- 04 R 701a9c1abecbbcb7d3a8053a1cbf870b1d391c241ce62cd87746e1d79b1f18ab
- 05 R 67f534ec0ddd2a9e372221ed90418a0a85c6d66d69aa4ff8ed8d81f4bb5ba3b7
- 06 R 8693aeb9124beb0a909d88223b9117a66b4552ae60d26eb8cdca12d80dd069b0
- 07 R ad4d856328d12170491d30d19ace50f08f776e91f9ed0afcbb801f4a764c7c49
- 08 R c66891a04c93d7980aa2bb50bde89f3df566f2dd8fe171fe50492dc17296df01
- root 27ef7fde67e4a362c2135d13be0790bc5cab9b7d39798d8de4d6db7bfb95edbd