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 - CAMARINES SUR 3RD Award a ₱2.0M contract to HRB CONSTRUCTIONNational agencies

Transaction hash:

757dcadb42e301229eafe295927c24a810b2fb76707b3a1db8de5285492a2889

Status:

Included and unchanged

Block:

#1,540 4,473 blocks after it

Position in block:

Transaction 22 of 64

Award day:

Aug 23, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAMARINES SUR 3RD

To:

HRB CONSTRUCTION

Value:

₱2,013,900.00

Project:

Cluster - IV ( Multi-Purpose Buildings/School Buildings - 1st Tranche CY 2012), Siruma & Tinambac, Camarines Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAMARINES SUR 3RD

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 #1,540 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 - CAMARINES SUR 3RD awarded it to HRB CONSTRUCTION on 2012-08-23.
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 757dcadb42…2a2889now …
2. Block Merkle root changed
stored cc838cb5fe…d71780now …
3. Block #1540 hash changed
stored 28cbcc32da…abad99now …

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

leaf 757dcadb42e301229eafe295927c24a810b2fb76707b3a1db8de5285492a2889
01 R 76e28a7c091b1de6d7d56648a36a102de4362fac5ba1c636d6a152011f7ce8be
02 L a33480e4d898455bb003cf76e2efb7e302330260f3acded42d33e849b29457fc
03 L 23c99cbd75c891e37a7e9f3ce0263dc0abb6845f3f8a1a81a66f7f9f12020412
04 R c42e043dd2b4bf58378852e8c5cd6ba97d79dbbab73fcb7b3f06b8aca02c8a02
05 L 4b02e556a1fd5ed9c1485ea092a1a41bd8f2dd4204aa7be3567c5a40fc84af7d
06 R 05cfeff931d664573f4237af7a47503b2b9fce896aa1d6a77df4b3d5bb3569fb
root cc838cb5fea3249e1bf12a96f419e6a4703d82379f7a9de202ac44e107d71780