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 ₱1.9M contract to YSA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

2e358f7ec8a2255382caf44ac0df7350106569c1a769a0e78083f020d8e2f821

Status:

Included and unchanged

Block:

#1,638 4,375 blocks after it

Position in block:

Transaction 8 of 50

Award day:

Dec 14, 2012 (13 yrs 10 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF CAMARINES NORTE

To:

YSA CONSTRUCTION AND SUPPLY

Value:

₱1,889,373.35

Project:

Construction of Two Storey Two Classroom School Building under BEFF CY 2012

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 #1,638 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 YSA CONSTRUCTION AND SUPPLY on 2012-12-14.
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 2e358f7ec8…e2f821now …
2. Block Merkle root changed
stored 97e4b1c282…7cabebnow …
3. Block #1638 hash changed
stored 8c8edd0f25…34514enow …

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

leaf 2e358f7ec8a2255382caf44ac0df7350106569c1a769a0e78083f020d8e2f821
01 R 36145e5d3a34d037e1df3d5b8f27c1ba89d0bea7271c6389d4dca2f78546c16f
02 R 15380d0a2b9753c3894f0d34304121cc6187a752453a224b81dc3cbe6456d97f
03 R 84acc55813c5032b33ed6313fe5093d8d4166696947a8602928d040d1773330e
04 L f1a269633a4ebbc6efcef0d6982f58410122558e9cc46f9d15dd4ce3f7375598
05 R 06496547565675b85ce1db2c968f296af540790716c2e9678a37d8c5308be0ce
06 R ded5fc5a8223800fa58843d55a465febd320141b222cbd26527f05a7be00700c
root 97e4b1c282160e585a8ba49e1950be52b437260386a7dc3148bddd7e267cabeb