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
MUNICIPALITY OF LIBMANAN, CAMARINES SUR Award a ₱911.0K contract to M.J. APIN BUILDERSMunicipalities
Transaction hash:
eddf5df46ef2ce8ed3c24e88e18b5a3fb5421b46594f05235b9c5cf804068f62
Status:
Included and unchanged
Block:
#1,142 4,871 blocks after it
Position in block:
Transaction 39 of 47
Award day:
May 13, 2011 (15 yrs 6 mo ago)
Value:
₱911,021.40
Project:
CONSTRUCTION OF EVACUATION BUILDING
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 #1,142 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)MUNICIPALITY OF LIBMANAN, CAMARINES SUR awarded it to M.J. APIN BUILDERS on 2011-05-13.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 Libmanan gave a "modified" 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 eddf5df46e…068f62now …
- 2. Block Merkle root changedstored 77f0ec36b3…362299now …
- 3. Block #1142 hash changedstored 4dc2f26d3b…42fb94now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 46 records. Each step hashes the current value together with the sibling shown.
- leaf eddf5df46ef2ce8ed3c24e88e18b5a3fb5421b46594f05235b9c5cf804068f62
- 01 L e35e261fa42dd9a5bf8341a084c6fb9ec0458291c30c40a3828f7b84b772b9bb
- 02 L ac12ba4d1f77164b99f8def883f9bb5c46ef752a4b6be6a65b04edc24f657eb0
- 03 L 1d1efe6ccca57f614cfa079b32335d4d6063e238b4fe6c81f0277e3c3a225eaf
- 04 R ca0ccb83c04881b829f4448f761e3cce89a15c2a142121ac8c7321e326c7346c
- 05 R c942c971f124e0111307ce2e2b7bda57473f234046b359519a7e0c4ce84ed33a
- 06 L e1955592fc5f59489bb16923e2b430e837f3301096adca556f4e24414fa725c0
- root 77f0ec36b36233b5797989518efc2ae9618437e0c827beec716d4c2533362299