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 - NUEVA VIZCAYA 1ST Award a ₱253.0K contract to JANN-NORRIS CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

70a01e201540270ccf4a9f5f839f9c740622a7f15c7b5764adbf7ee5fb80a720

Status:

Included and unchanged

Block:

#1,535 4,478 blocks after it

Position in block:

Transaction 13 of 45

Award day:

Aug 16, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST

To:

JANN-NORRIS CONSTRUCTION & SUPPLIES

Value:

₱253,000.00

Project:

Construction of Sitio Tutong overflow bridge, Quezon, Nueva Vizcaya

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST

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 #1,535 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 - NUEVA VIZCAYA 1ST awarded it to JANN-NORRIS CONSTRUCTION & SUPPLIES on 2012-08-16.
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 70a01e2015…80a720now …
2. Block Merkle root changed
stored 343cacf473…76791bnow …
3. Block #1535 hash changed
stored 081ba3ca77…66d14enow …

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

leaf 70a01e201540270ccf4a9f5f839f9c740622a7f15c7b5764adbf7ee5fb80a720
01 L 6bf732e9fe161da4d81e3d54e78f074560cc1033341dcaa724934e4dc1b23c8f
02 R 8dd08e58d2d802d2d0dd2a20f5c42d616eac1847d36f7d1634a61465d4dc8fb2
03 L 1f20715f435d925eb121792c6305c0e4be6608a73d10f01b6b38207135f094c3
04 L 7921d74c924dab72454ccfc8474207a9ec2bc2d37d8d0d1bdf478a5c8242f275
05 R c51bdcf606073280538e94adcb85b882cbe79661c67ef000cd92f9b9e2bbed8b
06 R 58cf01b6f79dad2b6017a6a07052ad706549c48fb3f797006d42743bb5ec7ec4
root 343cacf473cdcab28e4e6c453b36b0b8d7dd3b31a4d75bb2320b5d176076791b