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
PROVINCE OF LAGUNA Award a ₱1.0M contract to POWER K CONSTRUCTION SUPPLY & SERVICESProvinces
Transaction hash:
3c09dd79505d0ea04f9edfbc981fba8ca179beb934144adec5d620b9a0435488
Status:
Included and unchanged
Block:
#4,433 1,580 blocks after it
Position in block:
Transaction 43 of 239
Award day:
Apr 27, 2021 (5 yrs 6 mo ago)
From:
Value:
₱1,042,971.11
Project:
Concreting of Barangay Road, Brgy. Lamot 2, Calaua
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 #4,433 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)PROVINCE OF LAGUNA awarded it to POWER K CONSTRUCTION SUPPLY & SERVICES on 2021-04-27.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 Laguna 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 3c09dd7950…435488now …
- 2. Block Merkle root changedstored eb92b9b090…bd1acenow …
- 3. Block #4433 hash changedstored 4dedfc3122…df910anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 238 records. Each step hashes the current value together with the sibling shown.
- leaf 3c09dd79505d0ea04f9edfbc981fba8ca179beb934144adec5d620b9a0435488
- 01 L 3b39d05f9a893024d86adb73fcfc91c24e5ea1dcdf2aad40f3fc0a5bbf1a6cec
- 02 L 317945be7fdb564dabc0ded40d8742ef0d8ea7a5b34bcbe757ffb29b1e3f5374
- 03 R 2438d2ad0e3f9cbac34c2c4beb529d024f06523a3228e9f0b699cc2d4a2c694b
- 04 L 8ed93c491ae34f1b023304dc075bb6d0edba08d25b4adf4c4a6935da5dde273c
- 05 R 67f8258afa83fac25d550141a00c9c1903a7badf1e4794c89a4a9cfaa1cb9c1e
- 06 L 6ad45c59242e42a06c001335232a911f174690a148b2aa8940f0162abdfaea43
- 07 R cd7053c9837b203ead7e4b831e53e7faeb5a9e088def9284691d9d6a8bc04db7
- 08 R 6d6cc9606134464d04b47c521f081ff0a6338363a6f8f6e6e69b3737776baeb9
- root eb92b9b090942699b29bcda438404fe7c3543cc6171013f9e30b4f50b8bd1ace