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

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-DEO Award a ₱1.1M contract to QUEZON VICTORY LUMBER AND GENERAL CONTRACTORNational agencies

Transaction hash:

4568bc3053b07ea287bf7005e41621fe019b0824997ca87f22fb47b7e89ffe21

Status:

Included and unchanged

Block:

#1,247 4,766 blocks after it

Position in block:

Transaction 9 of 49

Award day:

Sep 19, 2011 (15 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-DEO

To:

QUEZON VICTORY LUMBER AND GENERAL CONTRACTOR

Value:

₱1,067,034.27

Project:

Invitation to Bid for Construction of Multi-Purpose Building at PUP Rizal Campus, Rizal, Laguna, Completion of Multi-Purpose Buildings at Brgy. San Lucas I, San Pablo City and Construction of Multi-Pu

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-DEO

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 #1,247 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-DEO awarded it to QUEZON VICTORY LUMBER AND GENERAL CONTRACTOR on 2011-09-19.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 4568bc3053…9ffe21now …
2. Block Merkle root changed
stored 8c496658b4…0dc758now …
3. Block #1247 hash changed
stored 68fa6057d3…cfecd4now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 48 records. Each step hashes the current value together with the sibling shown.

leaf 4568bc3053b07ea287bf7005e41621fe019b0824997ca87f22fb47b7e89ffe21
01 L 3fdaf61eea3bfc5f844c665c7c8195181ab490f44a9ea7e303b70e14a7b9fe9a
02 R b3647db138677ea532e2019b9aa22a6d8fe808fab62e9f8fbf92585966873f27
03 R 60b59d72a2397f183dcab7d42e8f5b00beeca2e7741df85308419bf4a1d56d43
04 L 56b74f62b52cde6c90dfc8c3add6bc6cba9c5a07b868feeed3f3d1c182bbbdf0
05 R 93e20ab9a91e0cf84074078c6cf27e273611d56c9385d1e7785170953d8ec2c4
06 R 0f06e0e64850103a15c3e3598daeec9425241dc469240a3b8f1543f5d9452a9c
root 8c496658b4e81974b693d042a138e84c95945807fdce162254869880c80dc758