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-BULACAN 1ST DEO Award a ₱4.6M contract to ADIMRE CONSTRUCTIONNational agencies

Transaction hash:

4765dff552bf4e1a0d9ae852af21312ba3f28d2aac775ea964cdc3821baf07d3

Status:

Included and unchanged

Block:

#319 5,694 blocks after it

Position in block:

Transaction 2 of 9

Award day:

Apr 17, 2008 (18 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

ADIMRE CONSTRUCTION

Value:

₱4,575,000.00

Project:

Invitation to Apply for Eligibility and to Bid of various infrastructure projects

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST 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 #319 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-BULACAN 1ST DEO awarded it to ADIMRE CONSTRUCTION on 2008-04-17.
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 4765dff552…af07d3now …
2. Block Merkle root changed
stored 8c16f1d068…f2cd24now …
3. Block #319 hash changed
stored 6197276db1…86de66now …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 8 records. Each step hashes the current value together with the sibling shown.

leaf 4765dff552bf4e1a0d9ae852af21312ba3f28d2aac775ea964cdc3821baf07d3
01 R 861e2432fad067f2a0d4c3004a9905416bc6bb8ee34f0feab05cf2ac1bfb71e0
02 L 1b566ca0a530c3dff9dae2f95f4c85c90d1877cee2b998b9e41294186fe12183
03 R 0087c58d3c69900d21675ab0dfeb31a04f57c2a4c43be191d666094f0b7373b8
04 R ebd0307d833499e0996f7ec54ea18397fa03c6863d0a8df664d5b84072d2fe8e
root 8c16f1d068ec1a3163094b04ef63ac82b9d4df266b4b76ea470443d7bbf2cd24