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 X Award a ₱900.0K contract to DBNOVELOSO SURVEYING OFFICENational agencies

Transaction hash:

493c5d4982edfc98ee63d9b23e316106a96824687652a4c3e157a37a69c1228e

Status:

Included and unchanged

Block:

#1,317 4,696 blocks after it

Position in block:

Transaction 14 of 38

Award day:

Dec 8, 2011 (14 yrs 11 mo ago)

From:

DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - REGION X

To:

DBNOVELOSO SURVEYING OFFICE

Value:

₱899,996.59

Project:

Baliangao, Misamis Occidental

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - REGION X

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 #1,317 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 X awarded it to DBNOVELOSO SURVEYING OFFICE on 2011-12-08.
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 493c5d4982…c1228enow …
2. Block Merkle root changed
stored c8f327c204…8a883dnow …
3. Block #1317 hash changed
stored d26c5887cb…7db296now …

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

leaf 493c5d4982edfc98ee63d9b23e316106a96824687652a4c3e157a37a69c1228e
01 R 4cc43a0b83d0827cdb91b19727667e24edcb617f122eb9598f392131d99b6677
02 L 67d2aaae5b03e2d38101a53a89ccff8743f87ef23986687a8dd0cff8ffb784f8
03 L 1d72c4b96487a6a4628fcb43cf84727fc967afbf0cfe74ebf0f3c7d3d61ebeaa
04 L 4b145b53e66fca1d111e832db561b1ccc06fe8cdf7af38de1cf59ab9f6a79b6d
05 R 6ecc36735ed31e3ca73d9fbca8fedbcdeeef3d2a79129141089d5f48f23110ca
06 R c0a57397b477a32b0bcad2651b5f0342e7dc0e92bb3ba646bbebd6603c09fef4
root c8f327c204760771788dfd90cfeee7a03ef3862bea1471a52e16e5e0ec8a883d