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 ENVIRONMENT AND NATURAL RESOURCES-REGION VIII Award a ₱533.9K contract to E.G. CANABE CONSTRUCTIONNational agencies

Transaction hash:

2a4f7ffa2c09a7197daf437c10d6e8e3735a4f33194d7819b9d0a41949c87c3c

Status:

Included and unchanged

Block:

#1,511 4,502 blocks after it

Position in block:

Transaction 4 of 51

Award day:

Jul 18, 2012 (14 yrs 3 mo ago)

From:

DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES-REGION VIII

To:

E.G. CANABE CONSTRUCTION

Value:

₱533,876.00

Project:

CONSTRUCTION OF SERVER ROOM AND INFORMATION TECHNOLOGY OFFICE

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES-REGION VIII

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 #1,511 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 ENVIRONMENT AND NATURAL RESOURCES-REGION VIII awarded it to E.G. CANABE CONSTRUCTION on 2012-07-18.
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 2a4f7ffa2c…c87c3cnow …
2. Block Merkle root changed
stored cc787720c2…06d81dnow …
3. Block #1511 hash changed
stored 96db6898a5…54ba92now …

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

leaf 2a4f7ffa2c09a7197daf437c10d6e8e3735a4f33194d7819b9d0a41949c87c3c
01 R 2bb997b6cd94e39bd4277b8a2cec63eaac131742c299c1f6b390fdddf772759d
02 R 0aeeeb1db42dda125f216355721665bf12cbe4fd10e0ab9e23bbcefa68f78c06
03 L c3a189e6aa0b88d3eba4e0fb2c0dae1a969256e1ad981bea134cb1d7a0aa0dde
04 R b58dfbba1b8f173982c070842f0f3a44b0ca37ae809949db7310ab33e35a9c72
05 R 17b677d6ed4fb87a66f249894503167e0cc300207456a703f83a47e76f23b5c6
06 R 214873002c7aee696a69ae6de2a18e2173a3431809a7540fe6e139c54276a60a
root cc787720c2c67bba6981c3a3fc14ea41e9a4af7ef5a6439080c335698406d81d