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
CITY OF LUCENA Award a ₱488.5K contract to LUCBAN BUILDERS & CONSTRUCTION SUPPLY, INC.Cities
Transaction hash:
7fe29903f78286f1691255e24d011461d750cb37f42ab3c00b6117a664713be9
Status:
Included and unchanged
Block:
#2,693 3,320 blocks after it
Position in block:
Transaction 337 of 669
Award day:
Mar 18, 2016 (10 yrs 7 mo ago)
From:
Value:
₱488,505.94
Project:
Concreting of Road
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 #2,693 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)CITY OF LUCENA awarded it to LUCBAN BUILDERS & CONSTRUCTION SUPPLY, INC. on 2016-03-18.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)COA's CY2024 audit of City of Lucena gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 7fe29903f7…713be9now …
- 2. Block Merkle root changedstored 49800c766d…54b505now …
- 3. Block #2693 hash changedstored cf286fa29e…4fc868now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 668 records. Each step hashes the current value together with the sibling shown.
- leaf 7fe29903f78286f1691255e24d011461d750cb37f42ab3c00b6117a664713be9
- 01 L 7f22a2cb53c95760a29286daf785303a6838346994aff1eaf861439c7d9369cb
- 02 R fc222d640888a0c7e049ab1af91d88c53c9e98afb51b03af0b17b0d57c865d7d
- 03 R 59555e36df6f52e4846900779cb57eb7fbca527c0ab3e356e59430a708c39a8f
- 04 R 7933021deaced8b1a356b65d390ab30004bbdbc6ba18612639fb06194b22520c
- 05 L 1c7db37041d9622c9045b827317fa477a798833cca0555984487d67b68d78cec
- 06 R 5f4c2d89bd95066b82883927b74dd8fc2e373bf18e07ecf0edec2ad8820a53b1
- 07 L bdc6dd8e81452d293d335d5850cdcdde22acc745895990c38e62c8e891a5b391
- 08 R cf763d5ee2e136044d62422d07e4d7a8973be87f3061fb5fa68b12330afb448f
- 09 L b7d375ab35e2eaf1e738dc9205e640730907ded8db12c603453491b87f4e5262
- 10 R 069002225c95edf2d9b8798bbd52f4744b4e91f2bccf74e13cb1cb2e7f329ec3
- root 49800c766dcaaaa21beaaa57fd257eae1be933adbdf18f70c25da1c2b754b505