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 - MM 1ST ED Award a ₱9.7M contract to VIRAC NRC CONSTRUCTIONNational agencies

Transaction hash:

1e85912ca9f8a239b3e488ca32a402f157870c0e69d85bca3470406cf32be2c8

Status:

Included and unchanged

Block:

#1,382 4,631 blocks after it

Position in block:

Transaction 6 of 35

Award day:

Feb 20, 2012 (14 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 1ST ED

To:

VIRAC NRC CONSTRUCTION

Value:

₱9,687,222.41

Project:

Construction of School Building

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 1ST ED

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 #1,382 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 - MM 1ST ED awarded it to VIRAC NRC CONSTRUCTION on 2012-02-20.
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 1e85912ca9…2be2c8now …
2. Block Merkle root changed
stored 82f133f572…a80475now …
3. Block #1382 hash changed
stored d582f4fca6…3408b3now …

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

leaf 1e85912ca9f8a239b3e488ca32a402f157870c0e69d85bca3470406cf32be2c8
01 R 2985275712efe260e1be1ae57ffc3a9188f4cc66cef2da8e181666a531c930fd
02 L ff3291aa75b57b7bb7eda88f9f74275ed1d82336b979ad5612f65af680f0fab0
03 L 2c2cfd71a9ddd4c970470b831c04396577b5495a9620ba987dd8cc64c808d441
04 R 81fb723f0d3f0a7630b05f864cd4dd10c562a85ed093be78e3b7110a6dcd8fb2
05 R 7b59f06db49cf3baae29af83c316a433d37474f7c88af069ed44a4cd9e4aa707
06 R ed0178f201e6f6ab883e311db60a67ba40ddddbede5173607378747341d82f1d
root 82f133f5721d98984ba173e1becf17b8e8132b830d394adb73f7d6a56ba80475