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

JOSE ABAD SANTOS HIGH SCHOOL Award a ₱93.0K contract to JOED CONSTRUCTION AND TRADINGNational agencies

Transaction hash:

4e0de9e60d3ec6ee1ff6b81fdbfa8bcf56f7e9de08bf23ca9c62edc22e8557e8

Status:

Included and unchanged

Block:

#1,638 4,375 blocks after it

Position in block:

Transaction 12 of 50

Award day:

Dec 14, 2012 (13 yrs 10 mo ago)

From:

JOSE ABAD SANTOS HIGH SCHOOL

To:

JOED CONSTRUCTION AND TRADING

Value:

₱93,000.00

Project:

Re Installation of Security Steel Gate and Security Barbed wire Fence

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

JOSE ABAD SANTOS HIGH SCHOOL

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)
JOSE ABAD SANTOS HIGH SCHOOL awarded it to JOED CONSTRUCTION AND TRADING 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 4e0de9e60d…8557e8now …
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 4e0de9e60d3ec6ee1ff6b81fdbfa8bcf56f7e9de08bf23ca9c62edc22e8557e8
01 R 54d91029944e8ae07a0caaba9791c64e3a2148add4359bd0f6df41e0e9d49cac
02 R bad41735743b68313601ad05a7881d2453c9c1736e9567abf7cac9243051c0b2
03 L 0d11f9b790b7a3c19d80c307cdb50b56302411b7ed39138947df592eb153204b
04 L f1a269633a4ebbc6efcef0d6982f58410122558e9cc46f9d15dd4ce3f7375598
05 R 06496547565675b85ce1db2c968f296af540790716c2e9678a37d8c5308be0ce
06 R ded5fc5a8223800fa58843d55a465febd320141b222cbd26527f05a7be00700c
root 97e4b1c282160e585a8ba49e1950be52b437260386a7dc3148bddd7e267cabeb