OT-2026-000006420
Publication integrity record
Four finger mechanical gripper, plant vacuum fed, contact triggered, electric drive
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-2026-000006420) never changes.
Identity and time
| Publication number | OT-2026-000006420 · never reused |
|---|---|
| Internal UUID | 01a0a95a-9c5d-7554-a46b-b8c83fe2c93d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:34:42.911586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006420 |
| Status | PUBLIC |
Content hashes
| Canonical text | b364df80105add25d5ee6de538f8b15fa3a7087b18d1a2cdc9b76ecdd84bac53 |
|---|---|
| Markdown | 4b241f1986a6b69f2b83f8256d63e7adb7dab91f50792fb359f75ad52112d22b |
| Publication page | 9b76651b7ddc8a3c9f3497a5744f81fc97a824a463c521ed6496d265338ffff5 |
| Manifest | 209e292b68c02bf769df9a7fea97cb52125efa6abc56e03889b46507ef8e3687 |
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 | dku+dDeikR1A6doQjT85w0OjPs2cppUKC8wMVnRSpqlGBnEFl6u0MHxgKR8vOLLVkX/GNI7PhPelxPVPkfjCBw== |
| 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
| 2026-09-16T16:41:19.104272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006420observed 9b76651b7ddc8a3c9f3497a5744f81fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T16:41:18.953063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006420/manifest.jsonobserved 209e292b68c02bf769df9a7fea97cb52...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:18.717597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006420/publication.mdobserved 4b241f1986a6b69f2b83f8256d63e7ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:18.393294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006420/publication.txtobserved b364df80105add25d5ee6de538f8b15f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:19.677883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006420observed 9b76651b7ddc8a3c9f3497a5744f81fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:19.662489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006420/manifest.jsonobserved 209e292b68c02bf769df9a7fea97cb52...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:19.649531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006420/publication.mdobserved 4b241f1986a6b69f2b83f8256d63e7ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:19.635176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006420/publication.txtobserved b364df80105add25d5ee6de538f8b15f...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. |
|---|