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

OCCIDENTAL MINDORO NATIONAL COLLEGE Award a ₱527.3K contract to N. SALES CONSTRUCTIONNational agencies

Transaction hash:

a3d1db72a73db3b306fdf045417fdff1b62bb43e88099ef39e67eb8a54f6ba1a

Status:

Included and unchanged

Block:

#1,278 4,735 blocks after it

Position in block:

Transaction 36 of 61

Award day:

Oct 27, 2011 (15 yrs ago)

From:

OCCIDENTAL MINDORO NATIONAL COLLEGE

To:

N. SALES CONSTRUCTION

Value:

₱527,349.00

Project:

REHABILITATION OF EIGHT (8) COMFORT ROOMS (24 CUBICLES)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

OCCIDENTAL MINDORO NATIONAL COLLEGE

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 #1,278 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)
OCCIDENTAL MINDORO NATIONAL COLLEGE awarded it to N. SALES CONSTRUCTION on 2011-10-27.
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 a3d1db72a7…f6ba1anow …
2. Block Merkle root changed
stored 45ec82544d…1ce5fcnow …
3. Block #1278 hash changed
stored ead8496304…4c9238now …

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

leaf a3d1db72a73db3b306fdf045417fdff1b62bb43e88099ef39e67eb8a54f6ba1a
01 R a68dade2ffabf905fd4d7303780d2af1ff7c5ead652f0b1fd6d1852f9dff7415
02 R 4dab6018c32db207c74a6e8e8685550c70ed1b11da1b2161d8420bdfade3b2f1
03 L 2457972e62ad49020edbb125c3597a204278bc7da7398f2c3b0fa07da5ed4a50
04 R e9030b6eb2c73557cde693267b0236f64dfeaedcd89de0605844d46995b17906
05 R db1c45b809cfa9f7d6637677c323f2b3a923e7f99cd017a8bd8dc244d004f970
06 L 8231908fb429cabe11d20cbe75de22728ff3c49b1657079c95190a0e22cc1091
root 45ec82544dd4869f9729271288a1dabaa0e851cf0cddc6ca6a3043141f1ce5fc