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 ₱17.1M contract to LANAO BUILDER & ENTERPRISESNational agencies

Transaction hash:

a5f8d85ef2a07b58aa77c90e93142d27046945e0b7c7e89e5a392c64c79ec950

Status:

Included and unchanged

Block:

#383 5,630 blocks after it

Position in block:

Transaction 3 of 5

Award day:

Jul 17, 2008 (18 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 1ST DEO

To:

LANAO BUILDER & ENTERPRISES

Value:

₱17,145,362.23

Project:

Rehabilitation /Reconstruction of Damaged National Road along Linamon-Zambonaga National Road, Donggo-an Section, Kapatagan, Lanao del Norte

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 #383 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 2008-07-17.
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 a5f8d85ef2…9ec950now …
2. Block Merkle root changed
stored b01700ac28…de93bcnow …
3. Block #383 hash changed
stored d20a334de7…c42affnow …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 4 records. Each step hashes the current value together with the sibling shown.

leaf a5f8d85ef2a07b58aa77c90e93142d27046945e0b7c7e89e5a392c64c79ec950
01 L 89904753fe8d9e75a0eae571c4d0edc49a63e80ded9ed4f43394a710796ee70c
02 L adf04074c0323400ba14a3a52e95d886adacd67d68870d49e7e301e4ea0ebe91
03 R e817b442da6c7f4c1804d710444b9856defe58f94fa8f19f7cbb263b4e06c8c5
root b01700ac28375445294f6deccb87eb406c25f3f8d6865ac11ad8c66188de93bc