OT-2026-000077990
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000077990) never changes.
Identity and time
| Publication number | OT-2026-000077990 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-7c01-8bef-675ca63945e0 · 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-2026-000077990 |
| Status | PUBLIC |
Content hashes
| Canonical text | b4a55c095c1e5c0675dafd2f4c3c9f26f8591c5b540fafe0d021a8f4236747a7 |
|---|---|
| Markdown | 148f3a2423dd0f84af8ffe5042fb9a1fd7d30f49f5e4ee01dc94902779fd9433 |
| Publication page | fa84de81941afa3cf66c0e2d6c560f0760e72c8bdc3ae634a02a6b30f8a31ea7 |
| Manifest | d4e6607c9af2a06512c100d846e113817628f01e2c9e7429d57aa270e85fbdd5 |
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 | fTri07ZJeCdxjF01DKnK3+c7CxMMUkrKv90CreqV/63+NLkeBIMJ2OoljrPB8Ik+KEfqvbwg/poQIIvSNZRrDw== |
| 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
| 2026-09-17T10:10:25.946941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077990observed fa84de81941afa3cf66c0e2d6c560f07...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:10:25.803043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077990/manifest.jsonobserved d4e6607c9af2a06512c100d846e11381...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:25.776685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077990/publication.mdobserved 148f3a2423dd0f84af8ffe5042fb9a1f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:25.756898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077990/publication.txtobserved b4a55c095c1e5c0675dafd2f4c3c9f26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:16.568510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077990observed fa84de81941afa3cf66c0e2d6c560f07...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:16.550545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077990/manifest.jsonobserved d4e6607c9af2a06512c100d846e11381...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:16.531392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077990/publication.mdobserved 148f3a2423dd0f84af8ffe5042fb9a1f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:16.512868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077990/publication.txtobserved b4a55c095c1e5c0675dafd2f4c3c9f26...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. |
|---|