OT-2026-000049616
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000049616) never changes.
Identity and time
| Publication number | OT-2026-000049616 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8fed-75ea-92c2-13e542c112e3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049616 |
| Status | PUBLIC |
Content hashes
| Canonical text | 93e6ae49c6333d49bc4db48fabc0424d8916a011f037c9d290d0f8ab48095cd2 |
|---|---|
| Markdown | 04cdd3edb5564ed43a61dcd32f26c9c7df491239c1c199377486ee2374b67de2 |
| Publication page | cf16dee9e1c4cff0caff35c0666b23354c376be375d32000b70f3a77df363161 |
| Manifest | b883a82589236b91f36c9505ad0885a70b93d0b735a5c668a0ff918716b9f031 |
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 | czbYPRNW3li0jGWC353UsWK7K582nKuFqpt2bnL62R+8sW8+7Apoi8jZVE7oWboWYcQHdSqrVE0onEXzsTQeBA== |
| 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
| 2026-10-15T12:41:41.809314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049616observed cf16dee9e1c4cff0caff35c0666b2335...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T12:41:41.751170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049616/manifest.jsonobserved b883a82589236b91f36c9505ad0885a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T12:41:41.701289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049616/publication.mdobserved 04cdd3edb5564ed43a61dcd32f26c9c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T12:41:41.598770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049616/publication.txtobserved 93e6ae49c6333d49bc4db48fabc0424d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:42:19.035587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049616observed cf16dee9e1c4cff0caff35c0666b2335...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:42:18.723515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049616/manifest.jsonobserved b883a82589236b91f36c9505ad0885a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:42:18.509810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049616/publication.mdobserved 04cdd3edb5564ed43a61dcd32f26c9c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:42:18.348655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049616/publication.txtobserved 93e6ae49c6333d49bc4db48fabc0424d...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|