OT-2026-000055968
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, sustained 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-2026-000055968) never changes.
Identity and time
| Publication number | OT-2026-000055968 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4a-7a08-9af8-8e4582cdf422 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055968 |
| Status | PUBLIC |
Content hashes
| Canonical text | e58073e28aa42e2353abe37c279710bc880eae8170c585aad32fd9147a29288b |
|---|---|
| Markdown | 62335f51ade5c2899a81ef5ff73a6c6a1b8e9f178c390629616e115893b7fe9c |
| Publication page | d5550b12403a4840a7c792e6760077f5ef5a60715486abb8b1733f26165f4eec |
| Manifest | ebb5ffae3e285e2a7569b15256dbb8ff9d3e84fa252e10caa5259c341994d687 |
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 | 9qUFnx+rJKepVyng4s1z518sTF+Up8C96RFTrpHnP1cRFI/axF5cAXlYcJ9+GzwwLazOo9hknhzlGKv0vFm5Dg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:14.181907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055968observed d5550b12403a4840a7c792e6760077f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:14.162370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055968/manifest.jsonobserved ebb5ffae3e285e2a7569b15256dbb8ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:14.116323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055968/publication.mdobserved 62335f51ade5c2899a81ef5ff73a6c6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:14.073170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055968/publication.txtobserved e58073e28aa42e2353abe37c279710bc...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. |
|---|