OT-2026-000050173
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, vented before 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-2026-000050173) never changes.
Identity and time
| Publication number | OT-2026-000050173 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c45-74a5-afeb-bc18e03f5cd6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050173 |
| Status | PUBLIC |
Content hashes
| Canonical text | e17f5095013e561600194fb74b5e07bf78d2f67ef64869a4eb590aa07e61e53a |
|---|---|
| Markdown | b2d662c8d7dd21d0c15f452bb9d49bafa5c536085507f30782d24b06bf12421a |
| Publication page | bc8faa8ddc4cbe511acc93c1aefc0f95fe06f901593cf31a3887e2e8efcc0430 |
| Manifest | 449805beea45b2290075ddd75392e99cef2f8cae48b5a482b09c6fd6cec6c2fe |
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 | nlbd4EyVVhAELC+o09Sc7HEiKZ65Ep3/unFaXRjHrG6C4zfZYR8ZvTLMdQVWTuDzx/Omme1KCa9Lzij79NkRAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:01:09.181231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050173observed bc8faa8ddc4cbe511acc93c1aefc0f95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:09.164552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050173/manifest.jsonobserved 449805beea45b2290075ddd75392e99c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:09.146740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050173/publication.mdobserved b2d662c8d7dd21d0c15f452bb9d49baf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:09.130368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050173/publication.txtobserved e17f5095013e561600194fb74b5e07bf...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. |
|---|