OT-2026-000077148
Publication integrity record
Single bellows cup vacuum gripper, pump fed, vented after set-down
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-2026-000077148) never changes.
Identity and time
| Publication number | OT-2026-000077148 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-7278-a60f-f80df360466e · 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-2026-000077148 |
| Status | PUBLIC |
Content hashes
| Canonical text | 446cde095596652d263919bb9c8b1b5e34363a3d6206c7a9a6064d6c8d1470f7 |
|---|---|
| Markdown | b5ac28f1303aa5630959e12f31f30a3fbf3c3ee8c2ed57aa6582403a10d13250 |
| Publication page | 696131abb1c5c61830613662e26846fbdcb02bfabb5af5287e2623d13218c41c |
| Manifest | 86b64d8bf186e4c4acccb832ea68fcf37fb2678b611656d4096fb0a4d58e482c |
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 | 3u6ZL4x6bBVgPNtH+Qu3bQdsRQGW2bxzkYEdhHBUYtfhkTU0zLp4qYGDx+3nkhmVwq6BtsYMTv4YZ/+KqIbjBw== |
| 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
| 2026-09-17T10:10:53.702768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077148observed 696131abb1c5c61830613662e26846fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:10:53.561538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077148/manifest.jsonobserved 86b64d8bf186e4c4acccb832ea68fcf3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:53.312970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077148/publication.mdobserved b5ac28f1303aa5630959e12f31f30a3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:53.192906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077148/publication.txtobserved 446cde095596652d263919bb9c8b1b5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:23.739822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077148observed 696131abb1c5c61830613662e26846fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:23.720820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077148/manifest.jsonobserved 86b64d8bf186e4c4acccb832ea68fcf3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:23.698853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077148/publication.mdobserved b5ac28f1303aa5630959e12f31f30a3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:23.592624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077148/publication.txtobserved 446cde095596652d263919bb9c8b1b5e...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. |
|---|