OT-2026-000006401
Publication integrity record
Vacuum cup gripper, two zone face, per zone isolation, plant vacuum fed, silicone cups
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-2026-000006401) never changes.
Identity and time
| Publication number | OT-2026-000006401 · never reused |
|---|---|
| Internal UUID | 01a0a959-f84e-7228-9ef1-195067063a80 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:34:00.914444Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006401 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5f7bfd2c3d63c4bcc0c9ff73605c6c9e3a09b472bd34d3c9f27da83b9848ba10 |
|---|---|
| Markdown | d0781671134473e1e7f09332cb083f2106b6c68a5e908ee3d9bb786cdc7d28b4 |
| Publication page | dfa4e231e83dae877c27785922061d8fc32c52f152fff5e740018f8a8bdbf6a0 |
| Manifest | 8ebb452c85ccf6578b78012f319dc62cd126fe9127a68cfbb3d5666e839fa876 |
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 | 2lWjsRkwUbrKnEo0ekaFAo29IeZrS3O5RLEUzlJiJqHQTgCjQaCssuIGo8HXENojeqhWCdDEhrqfMB8gsZ89Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:40:21.708731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006401observed dfa4e231e83dae877c27785922061d8f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:21.695964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006401/manifest.jsonobserved 8ebb452c85ccf6578b78012f319dc62c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:21.683327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006401/publication.mdobserved d0781671134473e1e7f09332cb083f21...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:21.669028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006401/publication.txtobserved 5f7bfd2c3d63c4bcc0c9ff73605c6c9e...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. |
|---|