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 NAGCARLAN, LAGUNA Award a ₱2.8M contract to EDVER CONSTRUCTION & GENERAL MERCHANDISEMunicipalities
Transaction hash:
45c75ee8eab8a13f61d8d50d7f4207821fffac3477d422f49a704ec2d9f58c6a
Status:
Included and unchanged
Block:
#1,813 4,200 blocks after it
Position in block:
Transaction 30 of 114
Award day:
Jul 26, 2013 (13 yrs 3 mo ago)
Value:
₱2,755,608.06
Project:
Construction
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 #1,813 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 NAGCARLAN, LAGUNA awarded it to EDVER CONSTRUCTION & GENERAL MERCHANDISE on 2013-07-26.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 Nagcarlan 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 45c75ee8ea…f58c6anow …
- 2. Block Merkle root changedstored 05db91c182…042655now …
- 3. Block #1813 hash changedstored d0a7c9f936…d95bc8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 113 records. Each step hashes the current value together with the sibling shown.
- leaf 45c75ee8eab8a13f61d8d50d7f4207821fffac3477d422f49a704ec2d9f58c6a
- 01 R 460215ce442cbd16a177c4b3bd3f574479eb8e37a2ade0d3c71a855645f88ba9
- 02 L 1910a6850866afa10846101d9647ad97f93fb1862b71342503cf5f3c92488a3f
- 03 L b43ad4b2d6438e43cf0f7de9b4f1e071960e3d19c2382049dbe09b7f9f762ef0
- 04 L ed9f90e4314e4f2ff132b85630d89bb454f7928bd64ce85bfe211e983874a3c6
- 05 L 8093b81c320ac3fd54801a5a5cdf2c3c7821c25ee56d1781d4edb4e8fb9fa890
- 06 R 79bd4b8377cbd1a2e10026b72a784611878042baae0499fd3b746f379bb941d3
- 07 R 83d4f2b9e4c3705dd246fab528ff436bc61fe3981e1721ef8cc385d29abbe998
- root 05db91c18210ae901321ff336acfc542ac840d69ab63e67f3513aaf124042655