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 ₱179.2K contract to CHARLMELDAY CONSTRUCTION SUPPLY AND SERVICESMunicipalities
Transaction hash:
be907b03d3ccfd97c452d8e21d3c52f5cd03c71411788fae813de5a5054d1acc
Status:
Included and unchanged
Block:
#4,034 1,979 blocks after it
Position in block:
Transaction 14 of 19
Award day:
Feb 25, 2020 (6 yrs 8 mo ago)
Value:
₱179,170.00
Project:
Fabrication
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 #4,034 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 2020-02-25.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)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 be907b03d3…4d1accnow …
- 2. Block Merkle root changedstored d831a46644…7e233bnow …
- 3. Block #4034 hash changedstored 2aa2dd7484…dca95dnow …
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 be907b03d3ccfd97c452d8e21d3c52f5cd03c71411788fae813de5a5054d1acc
- 01 R c282e05319ee350b7a10705a1f59f2705a0a160359c3882847de3b94f3c2732e
- 02 L bbfb68bc902f05e92f95ff95deb58ae73e9ce5e6f3614bac47b90c74869943c2
- 03 L 4bd8aa03be1d427bbc65036aa18e3a6f3350765235019d30c70e2dafe3500788
- 04 L e16f1a2625faa5c5090c14d34331ec72f92da9ef06ff7676f856331db4e23301
- 05 R 888f0fecb71f74ac49083ad4d2c0bd8e662d3f30991645d18843a7e3b3b7e7d6
- root d831a46644798ba33750df17be57e948c2899fadb83271af253108c3857e233b