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 HIGHWAYS - CEBU CITY DEO Award a ₱1.2M contract to P.B. OBIAL CONSTRUCTIONNational agencies
Transaction hash:
02674db0f620e8d53d217875a2633ee15ae5aabbd09bd555ced697c08ed178b9
Status:
Included and unchanged
Block:
#605 5,408 blocks after it
Position in block:
Transaction 0 of 19
Award day:
May 25, 2009 (17 yrs 5 mo ago)
Value:
₱1,155,808.12
Project:
Cluster IV-Buildings a) Improvement of Multi-Purpose Bldg., Brgy. Sambag II, Cebu City and b) Construction of Multi-Purpose Bldg., Brgy. Malubog, Cebu City
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 #605 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 HIGHWAYS - CEBU CITY DEO awarded it to P.B. OBIAL CONSTRUCTION on 2009-05-25.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 02674db0f6…d178b9now …
- 2. Block Merkle root changedstored 59c83288d2…6138f2now …
- 3. Block #605 hash changedstored a9dc19dc74…ecfccbnow …
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 18 records. Each step hashes the current value together with the sibling shown.
- leaf 02674db0f620e8d53d217875a2633ee15ae5aabbd09bd555ced697c08ed178b9
- 01 R 0412b6470a209af0d40da4ee1b919e09ab91b473c9a754c9f5908e75012fc282
- 02 R 16cc8d2c0416a257ac3c701c7527d6f7c0dae7b1de78a88792ba3c0231750c96
- 03 R 01164c5bb2cf35401dd5efec76ecb1f74b44ce57b004d5d31190a22d8c365ca3
- 04 R 692898607cc18899923a5ced7880499a4305d9de60dadfbc5d22f3db815efd60
- 05 R 6302fcf9ef2eb01dc8d07a563ca06ba9cd31d72f695b3ac8d43ce1269c8fa083
- root 59c83288d255159b08fe0250ddadfe7bef87f5331ad2f153ce8756b07b6138f2