OT-2026-000077054
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-2026-000077054) never changes.
Identity and time
| Publication number | OT-2026-000077054 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-7891-be34-9a1f747dcd07 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077054 |
| Status | PUBLIC |
Content hashes
| Canonical text | f8f6f479c5cf1b49c3ff198bdcbe01bc9d80bb037b092a2ee061f7e33832004b |
|---|---|
| Markdown | 26fdeb0012dc41a2e135b311cec8ce43675857729bcb445475c920389ac472be |
| Publication page | 0de98ce91962d54c69cb2b8ea8db6661f05edcbdd15cde37bb4eb3f35ac5784c |
| Manifest | 98f815b6d481005bfb32f7e9ca5eafc6575d4ab74b43731bfb7f982f84b00dc4 |
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 | aWnEWSue50cmIYrhgMbb+QB4RUJr9+Yk1ecHMzDh4RXEpyHY6N925dYju60QvCIk6ZcDM2aSizkRP42YcsCDDw== |
| 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
| 2026-09-17T10:11:09.953552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077054observed 0de98ce91962d54c69cb2b8ea8db6661...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:11:09.810245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077054/manifest.jsonobserved 98f815b6d481005bfb32f7e9ca5eafc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:09.788685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077054/publication.mdobserved 26fdeb0012dc41a2e135b311cec8ce43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:09.768408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077054/publication.txtobserved f8f6f479c5cf1b49c3ff198bdcbe01bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:28.414883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077054observed 0de98ce91962d54c69cb2b8ea8db6661...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:28.397890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077054/manifest.jsonobserved 98f815b6d481005bfb32f7e9ca5eafc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:28.380627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077054/publication.mdobserved 26fdeb0012dc41a2e135b311cec8ce43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:28.363650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077054/publication.txtobserved f8f6f479c5cf1b49c3ff198bdcbe01bc...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. |
|---|