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 ₱830.4K contract to JANN-NORRIS CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

5ced35cb1e9ea311f3cd4f6fc159177a5a93d620eef7b0f0eaf2c01e0405f194

Status:

Included and unchanged

Block:

#1,593 4,420 blocks after it

Position in block:

Transaction 18 of 52

Award day:

Oct 23, 2012 (14 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST

To:

JANN-NORRIS CONSTRUCTION & SUPPLIES

Value:

₱830,371.82

Project:

Widening of Daang Maharlika, K0270+755.40-K0271+736.40, Solano, 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 #1,593 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 2012-10-23.
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 5ced35cb1e…05f194now …
2. Block Merkle root changed
stored 8eeafd6e69…629a3dnow …
3. Block #1593 hash changed
stored 35eaba4fe6…e9e1a6now …

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

leaf 5ced35cb1e9ea311f3cd4f6fc159177a5a93d620eef7b0f0eaf2c01e0405f194
01 R 66f95efa5fd26836c785e4da59c0b09477b4afa2d0d352ba1e077ac374971286
02 L 0fb08ac0a1a02cfdae24a8cd3b4d59dd95d469a7097c64dbdfd386dd622ff4c0
03 R 994127e1b557912fe0fac6ac231470379c87b9e72f5aeb3b65683a18a960c95b
04 R e578f25b70f8c677def9bbfc2019a7c496c729079af34603fa9056ab92188fc6
05 L 29a1d88e81e4428b550fc5b30369b46b69a5c1655f66a47f44a05d3358b7ef1d
06 R 8b8a0c829b35bacf9db0581db0545e030c4a37555366b9ebcf343e739cb5d08d
root 8eeafd6e69019d5ab85e64c12786767cdd55f50fedc3ad09c02e79f0fa629a3d