OT-2026-000077976
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, 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-2026-000077976) never changes.
Identity and time
| Publication number | OT-2026-000077976 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-7168-81e8-099a2ab1fb0d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077976 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6246807d1f62e9643828524ba9cc609831430735d24c8ff07bc4e055ff9a086a |
|---|---|
| Markdown | 4bbaee2f628445fc6b02d0e4b8a4e6954fc2412afd5a809bcecd5cd46494e54b |
| Publication page | e4a75608b83689bc8d6c98f47709d4d4e220fc0bada4f3fe560870f4f1cbbd66 |
| Manifest | 16c432a267b708a56ee28aa263393bfaf35abbdc7c10c36cc63c99cfe46d5bc9 |
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 | r5sy9eVrVXrAElSazTa8VyZwy7zMW7rlFnazXPmOAET/GOZkOVGPN5pgQ69Pxc09/aUUtF6bcj4ElVStSc4SCA== |
| 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
| 2026-09-17T10:10:23.443921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077976observed e4a75608b83689bc8d6c98f47709d4d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:10:23.303734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077976/manifest.jsonobserved 16c432a267b708a56ee28aa263393bfa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:23.283815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077976/publication.mdobserved 4bbaee2f628445fc6b02d0e4b8a4e695...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:23.267802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077976/publication.txtobserved 6246807d1f62e9643828524ba9cc6098...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:15.638397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077976observed e4a75608b83689bc8d6c98f47709d4d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:15.619127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077976/manifest.jsonobserved 16c432a267b708a56ee28aa263393bfa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:15.599552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077976/publication.mdobserved 4bbaee2f628445fc6b02d0e4b8a4e695...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:15.581531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077976/publication.txtobserved 6246807d1f62e9643828524ba9cc6098...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. |
|---|