OT-2026-000055880
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-2026-000055880) never changes.
Identity and time
| Publication number | OT-2026-000055880 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a49-7cee-afff-55c14b009cf6 · 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-2026-000055880 |
| Status | PUBLIC |
Content hashes
| Canonical text | 10a56a7e86b7a2763d12cde45677c387aa88286f6b49d4ba91de7a45e0f0a040 |
|---|---|
| Markdown | c88f4231c895d5c59533cc732bd1748a78486ff7976e203935606e20eb2b10d2 |
| Publication page | d3af3916202d3a1f94963873fabb3605418df8dbabb3d714b0395fe9e96c476d |
| Manifest | 7f18faf8d72748686c9c41fc237d2a3c4fd6519d811204e2230317b5e957faff |
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 | /v0KS2To3SZhzUTZWz8CJs6GrCEGqJw9ssZQyF4GVf5Z5IiKU03Lc8+qi7UB75jvbAK9XUQZFVzmoCH8pDSQBw== |
| 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
| 2026-09-17T10:51:16.985429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055880observed d3af3916202d3a1f94963873fabb3605...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:16.967510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055880/manifest.jsonobserved 7f18faf8d72748686c9c41fc237d2a3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:16.950378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055880/publication.mdobserved c88f4231c895d5c59533cc732bd1748a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:16.931722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055880/publication.txtobserved 10a56a7e86b7a2763d12cde45677c387...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. |
|---|