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 - LANAO DEL NORTE 2N Award a ₱5.3M contract to AMMAR CONSTRUCTION AND ENTERPRISESNational agencies

Transaction hash:

60b2cee1b514be3cec5b08edbef9239e9145fefdefd4f2cf47a4c309ebda7c58

Status:

Included and unchanged

Block:

#1,345 4,668 blocks after it

Position in block:

Transaction 43 of 111

Award day:

Jan 9, 2012 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 2N

To:

AMMAR CONSTRUCTION AND ENTERPRISES

Value:

₱5,337,420.00

Project:

Road Upgrading (Gravel to Paved) Based on Gravel Roads Strategies, Traffic Benchmark for Upgrading to Paved Road Standard (HDM-4 Project Analysis) Secondary Section Lanao del Norte Interior Circum. Rd

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 2N

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 #1,345 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 - LANAO DEL NORTE 2N awarded it to AMMAR CONSTRUCTION AND ENTERPRISES on 2012-01-09.
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 60b2cee1b5…da7c58now …
2. Block Merkle root changed
stored 31298baa6a…44d4e8now …
3. Block #1345 hash changed
stored a7d5fcdfbc…e28b7anow …

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

leaf 60b2cee1b514be3cec5b08edbef9239e9145fefdefd4f2cf47a4c309ebda7c58
01 L 6093b86e5a8c422f15789a8c402dfa6758ad3a7a6be526a044db923968243f68
02 L 835a57b6dd0fec647267f0eb8fc58422a6790bf731981b7a09ec66d51e2bf04e
03 R 4db0812ae68abd1d33fe543d93e747ef17bdd6d2ab64afc28f75722492c217fa
04 L 31cafc5b2687926ec418c81c0e782096e46f666b1d012d2946aecd52e9a50dd9
05 R 6c7c245b9bb332ad56bc0a1958dd92004aada21a1e5f4e1f38418cf21a8b293f
06 L 0a28366ccc184f57ddd5ec7a2bade501dcb320a831f69ced4360f910df02fb74
07 R 844e33ccd53ef7a7748bcbbca8a66e304b6e6ccccb89eb7d2d346b7586812ee0
root 31298baa6a129c78298e20d4bee583dc60d30a46c576b93f9357103c4644d4e8