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 ₱1.4M contract to QUEZON VICTORY LUMBER AND GENERAL CONTRACTORNational agencies

Transaction hash:

a67dce878562b348e54c91d0c95e0232592d470a77a5e542a19328c0bcfe8363

Status:

Included and unchanged

Block:

#1,086 4,927 blocks after it

Position in block:

Transaction 33 of 47

Award day:

Mar 2, 2011 (15 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-DEO

To:

QUEZON VICTORY LUMBER AND GENERAL CONTRACTOR

Value:

₱1,442,949.76

Project:

Invitation to Bid

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 #1,086 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 2011-03-02.
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 a67dce8785…fe8363now …
2. Block Merkle root changed
stored 1bcb30125b…7e7007now …
3. Block #1086 hash changed
stored ca140ba0a9…6a7c37now …

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 46 records. Each step hashes the current value together with the sibling shown.

leaf a67dce878562b348e54c91d0c95e0232592d470a77a5e542a19328c0bcfe8363
01 L a61e93e0e60db921e3a6acfa249b10378b0454a7dcf8baa552de5a22124d31f5
02 R 824fcf90433d36cbeb19decdbb8ff4a2bc92b4c85804568bafc368919d935668
03 R 50db63da4df65405ec0a07922e24819748b3e1d282bd72d7cf529e54838d8af1
04 R 0403282e56182789c5bed6dd5edfbfae997ffc61892ebc41c899bc6e2e366c8c
05 R 32b75479fd3643fb9ff5aba39316a78c35a4e3ada98a1e0f835e142a2dccc136
06 L 4201dc30f5d30a62a0ef71ff6fdf9884a5889ef73fdd731cd72b340c16b63f43
root 1bcb30125bd83838324bbf719253e33e615eaa29b874001605ef8d8b6b7e7007