OT-2026-000003403
Publication integrity record
Dust extraction for drill
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000003403) never changes.
Identity and time
| Publication number | OT-2026-000003403 · never reused |
|---|---|
| Internal UUID | 01a0a6bc-7fbb-73ae-a6f8-4ad9eed29e8a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:22:46.459564Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003403 |
| Status | PUBLIC |
Content hashes
| Canonical text | db2470b4826d0fd983833b4b21b93fcd9e17cfbadbcc18fd09d69bb2e1b2ca2a |
|---|---|
| Markdown | 1c585f7c504118b11a0f3653f9ba8360dc50b3cfda256b88cc67656faff76668 |
| Publication page | 392d62ae5672b7c2fb48f91c44a735940d66c41c989137aed45542f542e62aec |
| Manifest | d96d7b53bfd65a4c4fcdb5126e60d64abaf8d2a154f7144bec324f42db4c8ab8 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | M/07fmFt/RPdykKxZ+XTUAMvguKjfjYBcg5VvnQZR1tpiKkOXkyy5ac8CMTBkijbBSNDtwo3E3JM8zhIZHETCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:27:02Z batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof root 0d980c01ea01b2d7f69845e24a85320c... |
|---|
Independent retrieval
| 2026-09-15T20:30:09.466558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003403observed 392d62ae5672b7c2fb48f91c44a73594...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:30:09.434706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003403/manifest.jsonobserved d96d7b53bfd65a4c4fcdb5126e60d64a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:09.421875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003403/publication.txtobserved db2470b4826d0fd983833b4b21b93fcd...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|