OT-2026-000028304
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, sustained blow-off before 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-2026-000028304) never changes.
Identity and time
| Publication number | OT-2026-000028304 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-75dd-a591-7f1800f598fe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028304 |
| Status | PUBLIC |
Content hashes
| Canonical text | b8b1b4b7aa6bcc313b31d34d5190f5e65cf7175ce438c5c0cfd083a9ecba1505 |
|---|---|
| Markdown | 2664e4859731b94985f405f10d302ac390e4be6a44d7aedde9eb651fd0babdcf |
| Publication page | 7c3282efd32f927c25de47e70f1f53fbaaa522670ef2e64e70aa5a3618acae02 |
| Manifest | d856c967b4adc27ba1ba7685a37b9d659dd13dd4be817ffefc1a8aba4aa07d3c |
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 | kQ4dz+4Y7vCgmnnfu4uUVHfLwquNkQOFzWUS+6JPc6zIgmzof17O8bPASrLHYCol4yvQEyodMv7rCZNLqMDiAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:17.857946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028304observed 7c3282efd32f927c25de47e70f1f53fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:17.834842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028304/manifest.jsonobserved d856c967b4adc27ba1ba7685a37b9d65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.815575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028304/publication.mdobserved 2664e4859731b94985f405f10d302ac3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.794840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028304/publication.txtobserved b8b1b4b7aa6bcc313b31d34d5190f5e6...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. |
|---|