OT-2026-000077072
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000077072) never changes.
Identity and time
| Publication number | OT-2026-000077072 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-77dd-b1e7-d33856ca2ea7 · 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-2026-000077072 |
| Status | PUBLIC |
Content hashes
| Canonical text | 93c4d480c9e9fac3498f681f65a0ea779640c7a29abf279a82cc28496b760ce8 |
|---|---|
| Markdown | d6c4f7d6ff1de4d35c609442caf37e365b723806c91a63189a525d0fb249720c |
| Publication page | 44c576fb44bc7c9ca2bfe75beb627a3ee92d826365df5595c534675b6fa10c20 |
| Manifest | 0b2649c10ac46887f3fe637a83d68a44cddab51f3bdadbbca8410257fe126165 |
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 | GTaU3C8WT/DLKkvBmkzutejsuL7mKnLMzjp+UyEOm+iBqwG63CQRUUrbqVt9UUirhVRmB0+M3sMcdn72H74BBg== |
| 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
| 2026-09-17T10:11:10.541945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077072observed 44c576fb44bc7c9ca2bfe75beb627a3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:11:10.524522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077072/manifest.jsonobserved 0b2649c10ac46887f3fe637a83d68a44...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:10.505949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077072/publication.mdobserved d6c4f7d6ff1de4d35c609442caf37e36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:10.262507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077072/publication.txtobserved 93c4d480c9e9fac3498f681f65a0ea77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:28.795957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077072observed 44c576fb44bc7c9ca2bfe75beb627a3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:28.778642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077072/manifest.jsonobserved 0b2649c10ac46887f3fe637a83d68a44...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:28.759987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077072/publication.mdobserved d6c4f7d6ff1de4d35c609442caf37e36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:28.595071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077072/publication.txtobserved 93c4d480c9e9fac3498f681f65a0ea77...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. |
|---|