OT-2026-000081916
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down, on a tool changer
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-2026-000081916) never changes.
Identity and time
| Publication number | OT-2026-000081916 · never reused |
|---|---|
| Internal UUID | 01a0ae97-0f76-720c-9481-990dfb877e81 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:50.648824Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081916 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3df635f2dd2f3c1df7fa77280b9e1acd60b1f91af1e70e45ebb5c3c984bbae32 |
|---|---|
| Markdown | 4c7fe5dfa2ac9cfb3e575128aa80470099a39e9b9811062443dbf60044d5326e |
| Publication page | f8f75e01439a6c6a6ceb7996ef6ee09f816fb06f973c8ad60a6d0b54573e6a70 |
| Manifest | 77fdf7c9d82bc45c902d8759d25eb1f16b061a06e8cba1abd860b6fa78718e97 |
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 | aKxBVBthHkNnuj9uXI5yxMVK/izADbx8aF5SjPpz+qQcf8PR6hk5lReZhgJpM01uDKeQ38Y/8LnZrfVEaKUOCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:01:02.645660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081916observed f8f75e01439a6c6a6ceb7996ef6ee09f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:01:02.630040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081916/manifest.jsonobserved 77fdf7c9d82bc45c902d8759d25eb1f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:02.611503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081916/publication.mdobserved 4c7fe5dfa2ac9cfb3e575128aa804700...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:02.592304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081916/publication.txtobserved 3df635f2dd2f3c1df7fa77280b9e1acd...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|