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 PUBLIC WORKS AND HIGHWAYS - SDS 2ND DEO Award a ₱4.4M contract to MN BAYALAS CONSTRUCTIONNational agencies

Transaction hash:

35cff61dbc2cd400bf8651c31903b70a81b50ea5a5ef98ea61641a7513e0c32c

Status:

Included and unchanged

Block:

#1,558 4,455 blocks after it

Position in block:

Transaction 15 of 72

Award day:

Sep 12, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SDS 2ND DEO

To:

MN BAYALAS CONSTRUCTION

Value:

₱4,396,260.61

Project:

Drainage along NRJ Barobo- Agusan del Sur Bdry, Barobo, Surigao del Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SDS 2ND DEO

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 #1,558 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 PUBLIC WORKS AND HIGHWAYS - SDS 2ND DEO awarded it to MN BAYALAS CONSTRUCTION on 2012-09-12.
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 35cff61dbc…e0c32cnow …
2. Block Merkle root changed
stored d33ab42072…07d5dcnow …
3. Block #1558 hash changed
stored 078e1aa68d…a5ae98now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 71 records. Each step hashes the current value together with the sibling shown.

leaf 35cff61dbc2cd400bf8651c31903b70a81b50ea5a5ef98ea61641a7513e0c32c
01 L 33cf5fb0ade497b71376b21c5917d3581109d425b53ad0d4d06f9a2489191b01
02 L aee07caadc5cbb54ce8de6f04b73a81047e592afa55753829364443512d44995
03 L d03d5e26d7cd398fc9b181470c845ec04c48d8540964573013f8137c06917256
04 L 81c516d4b5f032e81c7b112991f5637401434b8f4352e7ac0eae54dc48261d51
05 R 5700d067b6baf89821dbf09ca3b46d550d34001dafc0dd3c09cdbeab2ac2d040
06 R f3d7e2b94792de18a3d96e53377590a58e6c4fa144d7f27f0e37b4025119fa4d
07 R 0e2c20c387b3d3126feff6da8bcb61560d1ab55f2ae9de8d76cd869258010dbb
root d33ab420726cac0a1b6b05b6de23701f68c11e7e18fa2c827a78a451e707d5dc