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 - LDN 1ST DEO Award a ₱4.7M contract to LANAO BUILDER & ENTERPRISESNational agencies

Transaction hash:

7aabb6daa9d5261f53d40afd875ee28c6e13d2ae0dc53a1a563179438b48b933

Status:

Included and unchanged

Block:

#522 5,491 blocks after it

Position in block:

Transaction 4 of 10

Award day:

Jan 28, 2009 (17 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 1ST DEO

To:

LANAO BUILDER & ENTERPRISES

Value:

₱4,720,978.38

Project:

Repair/Rehabilitation and Improvement of Malabang-Dobleston-Tukuran National Road, Payong Section, SND, Lanao del Norte, km. 1971+850 - Km. 1972+100

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 1ST 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 #522 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 - LDN 1ST DEO awarded it to LANAO BUILDER & ENTERPRISES on 2009-01-28.
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 7aabb6daa9…48b933now …
2. Block Merkle root changed
stored fe0a9ff773…0d4dcfnow …
3. Block #522 hash changed
stored 753cfdce3c…b9c4denow …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 9 records. Each step hashes the current value together with the sibling shown.

leaf 7aabb6daa9d5261f53d40afd875ee28c6e13d2ae0dc53a1a563179438b48b933
01 R 819b198f7d222d40f44de2591210035c0f1abb79ba4feb1afbb37e9776af439c
02 R 8b86fe4430ba3e830b4a281e2f058e49cf6aea3f152452eb1a088a99633c355a
03 L 1aca3eacb064d3e740dc7e4c8944cce263cd460bfd55c4641915a61faf1ace66
04 R 6693598d776a1328c1e868e2afe7a311beb5c594e198ed33e6736b084334e319
root fe0a9ff7733554ba1f7320be1e9db28d8fa03e45110ddb8b9ec981f9db0d4dcf