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 PILA, LAGUNA Award a ₱150.0K contract to CHARLMELDAY CONSTRUCTION SUPPLY AND SERVICESMunicipalities
Transaction hash:
7a8bfdffa6f5bd0aad438f37b7badd3625caa33eddd22ef2df9aad71fbf4c633
Status:
Included and unchanged
Block:
#4,614 1,399 blocks after it
Position in block:
Transaction 1 of 6
Award day:
Oct 30, 2021 (5 yrs ago)
Value:
₱149,960.00
Project:
Construction 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 #4,614 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 PILA, LAGUNA awarded it to CHARLMELDAY CONSTRUCTION SUPPLY AND SERVICES on 2021-10-30.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 Pila 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 7a8bfdffa6…f4c633now …
- 2. Block Merkle root changedstored f9ee13a855…1f1860now …
- 3. Block #4614 hash changedstored 42ffd6255c…cd5395now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 5 records. Each step hashes the current value together with the sibling shown.
- leaf 7a8bfdffa6f5bd0aad438f37b7badd3625caa33eddd22ef2df9aad71fbf4c633
- 01 L 37adc576cd2974cb860a247b88021f029a0b02f2ff4d3f5d8b61cfdb7bccd7b9
- 02 R 2cbc0128e37649d287af506aa6d44d6b9f1f33a8139cf4ac49344cc591fef790
- 03 R cd4404a83ca916b88d9fb7e22342b55c9375fdfd61a77e34aa9f94380b7fea54
- root f9ee13a8550abf5163dc61a9212ab18c557edf86f602d5bb80b2aeb1a01f1860