OT-2026-000077940
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, vented 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-2026-000077940) never changes.
Identity and time
| Publication number | OT-2026-000077940 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-794c-9e8e-0cd48302dd3b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077940 |
| Status | PUBLIC |
Content hashes
| Canonical text | 55e5f7c6635e3e49f57eedc27f39ba040d6ef2efc3c08bbdacec6a3d2dbed612 |
|---|---|
| Markdown | 84d8a4efb889061894a27987afe6600da17cd03bc305ed66d43de70162ae251a |
| Publication page | adee12fba2280f2c59f94cdc6e571b7377addb547120d95a2aed263bb8f2eb6a |
| Manifest | 2713a66574626bc5d137a15866299f5e94aa1dbbdaec03f6997dbb71c8814eb7 |
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 | dfVVtR6UbsiFurdC/RypIrJ7Arya5BpZiZ571E9AGsFUa8KwuAyL14aQ2an/2nMeuove/i3WHEr1su76emYDBQ== |
| 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
| 2026-09-17T10:10:16.058653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077940observed adee12fba2280f2c59f94cdc6e571b73...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:10:16.037198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077940/manifest.jsonobserved 2713a66574626bc5d137a15866299f5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:16.015455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077940/publication.mdobserved 84d8a4efb889061894a27987afe6600d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:15.992032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077940/publication.txtobserved 55e5f7c6635e3e49f57eedc27f39ba04...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:13.207772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077940observed adee12fba2280f2c59f94cdc6e571b73...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:13.188370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077940/manifest.jsonobserved 2713a66574626bc5d137a15866299f5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:13.168598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077940/publication.mdobserved 84d8a4efb889061894a27987afe6600d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:13.149354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077940/publication.txtobserved 55e5f7c6635e3e49f57eedc27f39ba04...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. |
|---|