OT-2026-000050181
Publication integrity record
Single cup vacuum gripper, pump 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-2026-000050181) never changes.
Identity and time
| Publication number | OT-2026-000050181 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c45-7d40-b0bb-0d0af95a876b · 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-2026-000050181 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef2821be7ea3320960484a19a3d23b28a01d7427367bcc2c761af0cbd9f4a2d7 |
|---|---|
| Markdown | 2ed2fbd7bd7b2079a3960c98125acc55dc45995e3a684ae118e99af12cf08f14 |
| Publication page | 36ffdcf62268f6c74fe4fc3deaecf745cb4d2c6dd65f63a131ac6a61373f7189 |
| Manifest | ee85515fb79919208956af135e98e727d2f4591c67f76e932d0d70de0eeb7855 |
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 | J1syeUEbjTNX/V0Wa23HAv56lLCQcZ3rlyxtUyfe1UPy3znvL6aobYdmojxNz1fvsHBj3b3XFL2k5VvNLD8PBQ== |
| 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
| 2026-09-17T11:01:09.806277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050181observed 36ffdcf62268f6c74fe4fc3deaecf745...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:09.788051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050181/manifest.jsonobserved ee85515fb79919208956af135e98e727...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:09.770093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050181/publication.mdobserved 2ed2fbd7bd7b2079a3960c98125acc55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:09.750361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050181/publication.txtobserved ef2821be7ea3320960484a19a3d23b28...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. |
|---|