OT-2026-000075556
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000075556) never changes.
Identity and time
| Publication number | OT-2026-000075556 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fc-72c2-9392-1aaa49ef635f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075556 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2db911d7279c6676ec32eac7dbc479b3a21ac5dcaac2bf01e95743a5148e973f |
|---|---|
| Markdown | d007a6c777617c97baa81b8a4f99191e188649b920139e6fdd07738cb9475594 |
| Publication page | 20e5cefab04f66dd9ad73aceabd011eca821b8b4ba564f90263e98180ff9afbe |
| Manifest | d607f96cf298e358fbefb03ef80e73218dc3a89d6a62a438c29960e0047028c8 |
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 | ruWppwXYMjrLZWRU4d0+iYLuAEDN1YjjvgOdUPiMJ8nOI7bnqx8szxJ+dLVHTdiuuGLf+fEnvo2OpHERYg9zDQ== |
| 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
| 2026-11-01T16:41:49.657892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075556observed 20e5cefab04f66dd9ad73aceabd011ec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T16:41:49.604785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075556/manifest.jsonobserved d607f96cf298e358fbefb03ef80e7321...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T16:41:49.527151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075556/publication.mdobserved d007a6c777617c97baa81b8a4f99191e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T16:41:49.452469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075556/publication.txtobserved 2db911d7279c6676ec32eac7dbc479b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:07.031762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075556observed 20e5cefab04f66dd9ad73aceabd011ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:07.013194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075556/manifest.jsonobserved d607f96cf298e358fbefb03ef80e7321...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:06.994163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075556/publication.mdobserved d007a6c777617c97baa81b8a4f99191e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:06.550650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075556/publication.txtobserved 2db911d7279c6676ec32eac7dbc479b3...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
| 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 |
|---|