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 - QUEZON 2ND ED Award a ₱2.9M contract to BOMEL CONSTRUCTIONNational agencies

Transaction hash:

25c2c8a3a64b95f4acb6407a275e2e5c57fda492c7a12e8ce9cf318253eec830

Status:

Included and unchanged

Block:

#1,917 4,096 blocks after it

Position in block:

Transaction 17 of 113

Award day:

Nov 14, 2013 (12 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

To:

BOMEL CONSTRUCTION

Value:

₱2,892,000.72

Project:

13dj0120

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

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 #1,917 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 - QUEZON 2ND ED awarded it to BOMEL CONSTRUCTION on 2013-11-14.
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 25c2c8a3a6…eec830now …
2. Block Merkle root changed
stored 203ec0ac4e…e79599now …
3. Block #1917 hash changed
stored 863da21a26…acbb95now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 112 records. Each step hashes the current value together with the sibling shown.

leaf 25c2c8a3a64b95f4acb6407a275e2e5c57fda492c7a12e8ce9cf318253eec830
01 L 25aa7f3841ef1f42fb377bea08da0afee5edfb89ac5b1a49d965794c90fb2f5b
02 R bb32de19fdd863dcaa2ac0523e36797b3f38d4a7fb475e69d07814a31e941426
03 R 2f6d51cf229662b4efb722f5745b21202a6cfc0356de4a80b7f433dcf7b0ccff
04 R be871dd7869a2ac50918567d87b2659fd526b7ceab1630bfd9ba49c7d0e05621
05 L 7ad7b25dafe4de08865bd03394d0e0e23c40d9cb9258ebb6f2f2f64fb9e9099e
06 R 920624d5d8d80374077c4c95f461896a7c3932f154506f2a2ec2e23bce7f8d1f
07 R 516de29c80f9c7fd8e76b92ac263abee3a666b4640c0a82991a57e3846af32b5
root 203ec0ac4e6f8e960a95dce141dbc669c7de6e79807dff26d4d1abb49ee79599