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 & HIGHWAYS - ALBAY 3RD DEO Award a ₱9.6M contract to RICHMAR CONSTRUCTIONNational agencies

Transaction hash:

b8d603077a5d734a9f7eabc23421e6abb1f35ea8ad549b1d3aad33d380050542

Status:

Included and unchanged

Block:

#1,206 4,807 blocks after it

Position in block:

Transaction 51 of 74

Award day:

Aug 1, 2011 (15 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - ALBAY 3RD DEO

To:

RICHMAR CONSTRUCTION

Value:

₱9,604,082.18

Project:

Construction of Farm-to-Market Road, Brgy. Cotmon- Maylangka Road, Polangui, Albay

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - ALBAY 3RD 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 #1,206 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 & HIGHWAYS - ALBAY 3RD DEO awarded it to RICHMAR CONSTRUCTION on 2011-08-01.
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 b8d603077a…050542now …
2. Block Merkle root changed
stored a7f9608776…09464fnow …
3. Block #1206 hash changed
stored df145fc972…a15630now …

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

leaf b8d603077a5d734a9f7eabc23421e6abb1f35ea8ad549b1d3aad33d380050542
01 L b7cdbf7894d49a7bdb05ff9281b59d16d367e801bb58b0c1ac7ed9f9141343de
02 L f55d39a4da06825bb36e9d25e6c2db5933f7f5ca295c202e6cbfa9491b9b500f
03 R d8a00a539a9c85009398815dcff0796d155ff46b29b32147b1e1ba0563f4c8fc
04 R a0fdf5359508985ae26a0b5337bd60963d892e43b0175990433698d597f952f8
05 L 3d7e9ac404342c85794b95bc6c12acf79b4a8fe1c7fa92c12e0942cc56160c75
06 L 9b7d3368b6be3322aa3fab5f9e30def243a5b40a896411e5cb995999b0183656
07 R 7d29c39d6eef1f9b8d083cb9effcf80f97c99613f118740e97e669bb92dc39ee
root a7f96087763dd7dbb2e0cff368bc87425897c8fa94126b2ba8854e3bae09464f