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 VIRAC , CATANDUANES Award a ₱199.4K contract to NVR CONSTRUCTIONMunicipalities
Transaction hash:
757e75ef3d8daa8e5a02c467e3c7e0d776780c0c6f0490925a0259d7baff7a82
Status:
Included and unchanged
Block:
#3,652 2,361 blocks after it
Position in block:
Transaction 79 of 168
Award day:
Jan 16, 2019 (7 yrs 9 mo ago)
Value:
₱199,425.38
Project:
Repair of Multi Purpose Hall
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 #3,652 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 VIRAC , CATANDUANES awarded it to NVR CONSTRUCTION on 2019-01-16.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 Virac gave a "qualified" 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 757e75ef3d…ff7a82now …
- 2. Block Merkle root changedstored feca9d0b34…7ec8b0now …
- 3. Block #3652 hash changedstored 6c756ecc09…ef2258now …
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 167 records. Each step hashes the current value together with the sibling shown.
- leaf 757e75ef3d8daa8e5a02c467e3c7e0d776780c0c6f0490925a0259d7baff7a82
- 01 L 74dc8406e846d519230398d71344ee3d81e7372e542b9483a49d52ea2f10890c
- 02 L ae0743b825b76c01c0040d62e5e718400c650eae562f75fc74bd028034fa64de
- 03 L 8ce1d239f045199ad1283fd7caeccd585545f078445f5327b4311c9ecc5f2778
- 04 L 080ada64d09fed94b074dceb1178a394da7c921fb232397cbf4ac58598b7ecea
- 05 R 289f6dbb3c32a68bb4c1276fe986c8c9cffc0ba25810bf47b1cd449a495b0f43
- 06 R 2eaf4f6d110d40ab3ad035c1e06461c38c2843717cb71a790add64e2cf52d926
- 07 L 5be8d2a94110040f05514d4f2ead7c9c030090b0dc2f05e940f4e9dc0c5a2743
- 08 R b3a2e05d8b76682a24032d827318909cbe7078bcdd5ae6936bcd7e81eaeda46f
- root feca9d0b34b68230474bbf2d60f3ac12182f6e2a351ef61eeaed39d7a47ec8b0