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 EDUCATION - DIVISION OF CAMARINES NORTE Award a ₱985.0K contract to JOMAR BUILDERS AND SUPPLYNational agencies

Transaction hash:

89fadc83f8a2e06b48d746866bfe9d05c713da5940dc1475517de68466cd2ef1

Status:

Included and unchanged

Block:

#1,628 4,385 blocks after it

Position in block:

Transaction 19 of 41

Award day:

Dec 4, 2012 (13 yrs 11 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF CAMARINES NORTE

To:

JOMAR BUILDERS AND SUPPLY

Value:

₱984,956.02

Project:

2012 Library Hub Priority Divisions for the Renovation of the Library Hub

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF CAMARINES NORTE

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 #1,628 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 EDUCATION - DIVISION OF CAMARINES NORTE awarded it to JOMAR BUILDERS AND SUPPLY on 2012-12-04.
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 89fadc83f8…cd2ef1now …
2. Block Merkle root changed
stored a58768ab25…7e673cnow …
3. Block #1628 hash changed
stored e43bb1821b…66500fnow …

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

leaf 89fadc83f8a2e06b48d746866bfe9d05c713da5940dc1475517de68466cd2ef1
01 L 86960f23816e2aaa3936d04c08a461dd8a44b9b2f5182223b74d7d88f2acacc7
02 L d56b0bafa16d15893e6cde2625d5c4c0aa896021686ef1c3f0e1544dd05cebb8
03 R 8a3c1003ab0d2f2a24710f1cca3af32ae99189f056f5297051002c5e7a2cb038
04 R 8c6fa264ee7ce6c72194c35c68c8dc018e3a25ae9b5cb59df14797b40009a76b
05 L 76dd3bf9466924f8eba9a5aa03ff42de982112f7c9e17a4e168693706d857218
06 R 0467314dae9b0778f1674b004422b48ec0ab6177f435804595fde48e0b23b5dc
root a58768ab251e1dcf9be470ce596088aafc1a08c16fd6671264dc6394ac7e673c