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 - SMED Award a ₱9.4M contract to THREE W BUILDERS, INC.National agencies

Transaction hash:

3fd7b571d94f5eb8c98b1ddb271962d24b1b2f81828537106b16fd0bb7ef90e5

Status:

Included and unchanged

Block:

#1,398 4,615 blocks after it

Position in block:

Transaction 19 of 63

Award day:

Mar 9, 2012 (14 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SMED

To:

THREE W BUILDERS, INC.

Value:

₱9,404,976.68

Project:

Bid Bulletin-12OH0002 & 12OH0005

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SMED

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 #1,398 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 - SMED awarded it to THREE W BUILDERS, INC. on 2012-03-09.
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 3fd7b571d9…ef90e5now …
2. Block Merkle root changed
stored 630f54ee13…402a56now …
3. Block #1398 hash changed
stored afefa799c8…e17664now …

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

leaf 3fd7b571d94f5eb8c98b1ddb271962d24b1b2f81828537106b16fd0bb7ef90e5
01 L 3fb5bf675410f94aeaf5a432ed4dec69b146c8b8b9874c3d4524fcc9764b2fd8
02 L 6510ca3409016b03b76ba28d36fb6ca04d8758b8e596f28ce1c92460c944caae
03 R f24d48d38411ec9da6b6fe9bc5141f31ad0dbda46c9b3c8fbe956654e011ba34
04 R 93d2f220a3b8f261527b92016c4b3d39dda4ea54a0d83cc5b37ea284922c7fac
05 L 8cbfeca1e00000cff114a42ef7904caf14fd096af4d2b16b3866291d59df5221
06 R c2fd5a30813a0d84aff569bc296a9e1e818c6617cc3f60a5366d50463b49b1e5
root 630f54ee133d8ad8a6682fbda968ecfbaf3b272ed06ae678d495ece682402a56