OT-2026-000001673
Publication integrity record
End effector, end effector control device, and method for controlling gripper
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-2026-000001673) never changes.
Identity and time
| Publication number | OT-2026-000001673 · never reused |
|---|---|
| Internal UUID | 01a0a677-a0c1-7ee8-96fe-04a1aa5ed029 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:07:32.930289Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001673 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8fe196c45f32a1071beae38ec369bf94209b36b070e5df06093d6d1bbdb6785b |
|---|---|
| Markdown | e12a93e1027a0cf973bf6ae8a30f67df623fece689b6a1d7dbd902815dbb1afb |
| Publication page | f46ba4561e5a3bf89e11317ecd52953c38eda8ff0433676deff7c1e1c0637cd2 |
| Manifest | dd06f025534360a119649f980c48c2eb11a8500d7a2442ccc400a326f04ceb56 |
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 | G+DBq0wCqQPkEatL5yjsYWWQ2lWoj0fCuk+zBj4LTBhBRXPJPHnqS2kgDXxGSjLIDuMNw8G08Lb5UE9/kpTXAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-10-05T12:41:10.097635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001673observed f46ba4561e5a3bf89e11317ecd52953c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T12:41:10.049604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001673/manifest.jsonobserved dd06f025534360a119649f980c48c2eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:10.001125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001673/publication.mdobserved e12a93e1027a0cf973bf6ae8a30f67df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:09.845124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001673/publication.txtobserved 8fe196c45f32a1071beae38ec369bf94...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:35.781501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001673observed f46ba4561e5a3bf89e11317ecd52953c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:35.768300Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001673/manifest.jsonobserved dd06f025534360a119649f980c48c2eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:35.754414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001673/publication.mdobserved e12a93e1027a0cf973bf6ae8a30f67df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:35.619005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001673/publication.txtobserved 8fe196c45f32a1071beae38ec369bf94...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|