OT-2026-000028976
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off 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-2026-000028976) never changes.
Identity and time
| Publication number | OT-2026-000028976 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7451-a21c-71dc916f10a6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028976 |
| Status | PUBLIC |
Content hashes
| Canonical text | 64b197fb59898299fb55de9ba613c2b4e79139103b46839952f54b6ec9e4b7f5 |
|---|---|
| Markdown | 56e51caffaec9932d8c73f2225814bd8229533ade15008aafb1e8cdf9176600a |
| Publication page | 76cdbd0ec1f84eb4371348d13dca473ff8c6e37003aaa8d793a001ece0eaec57 |
| Manifest | c2e865d62248eca744f28e501b06049de1f2e45263245a11a9137baf81299924 |
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 | xtTJo7e3lAxilhTdaYVIBJlNgXY5xLI5Twgi/ZGOx1XqVOvvotKX4Rd44D3kE/laiLIZArHXy7rfZ6/BZv5KCQ== |
| 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
| 2026-09-17T08:20:29.747680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028976observed 76cdbd0ec1f84eb4371348d13dca473f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:29.723066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028976/manifest.jsonobserved c2e865d62248eca744f28e501b06049d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:29.701275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028976/publication.mdobserved 56e51caffaec9932d8c73f2225814bd8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:29.675003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028976/publication.txtobserved 64b197fb59898299fb55de9ba613c2b4...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. |
|---|