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 - MIS. OR. FIRST DEO Award a ₱929.5K contract to WDM CONSTRUCTION AND SUPPLIESNational agencies

Transaction hash:

7ea580d7abc719b2232ee9dd13271326c2c3fb4ca720ea6f8cab405a7b60e764

Status:

Included and unchanged

Block:

#413 5,600 blocks after it

Position in block:

Transaction 16 of 33

Award day:

Aug 28, 2008 (18 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MIS. OR. FIRST DEO

To:

WDM CONSTRUCTION AND SUPPLIES

Value:

₱929,489.01

Project:

08KK0021

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MIS. OR. FIRST 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 #413 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 - MIS. OR. FIRST DEO awarded it to WDM CONSTRUCTION AND SUPPLIES on 2008-08-28.
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 7ea580d7ab…60e764now …
2. Block Merkle root changed
stored 9aa0c9f533…b24c35now …
3. Block #413 hash changed
stored af49951e81…180925now …

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

leaf 7ea580d7abc719b2232ee9dd13271326c2c3fb4ca720ea6f8cab405a7b60e764
01 R 8b8bcc2061c9b81957553881e91f4770f0449b6abbf3e87139b92698500bdf45
02 R fc15fe0c0853e4d7f78971d738b2a6614abcd86ec6ffc3f56f31f7c4b8cf2149
03 R 7c48343a59cbbc3a52baf9326c0061f411433930079112ed3c4792dbf5b81ed2
04 R 39c31c8d97d77374877ccd7fbcbdaad6702813a73a8372cd3c3a1ac3b66dd978
05 L a7188fff5c7c11648cbca976c3df932fa1ee4934db2277bb52a4cf9c432f5536
06 R 4979934da1d809c1f3b6dda1398d15047db35b6b42eff024437e59f53dee1d9c
root 9aa0c9f533bcecbb1cf43be604192fecf32474a11bbf775ea8b5265173b24c35