OT-2026-000055988
Publication integrity record
Single bellows cup vacuum gripper, two 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-2026-000055988) never changes.
Identity and time
| Publication number | OT-2026-000055988 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4a-778a-baa2-151e51b809a8 · 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-2026-000055988 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9c9cfcc27f30694baf7b3fb694a5ef20baf89b5690096ca35396bfe23f4cb87d |
|---|---|
| Markdown | 99a5d0a28058bf146806cc66e0ff801de8a2a5a4ebe17d70c50b139219ef3bea |
| Publication page | c181d63be7d5e7f27b32070467a6d373b0676505f03c9b9ef589ea821fbb9ad5 |
| Manifest | ade8b635564dd1a5aebc59f04615907f85ed95e4b41cc402f3a1681912d670f8 |
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 | plO/MvMzqyTfYbC/EiTctg/lm4m77ucu8Vuzog3RfulZQsLmlle0mPdCZklff2l5bc1XV0cOqoDIq01t5X+dDg== |
| 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
| 2026-09-17T10:51:30.699472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055988observed c181d63be7d5e7f27b32070467a6d373...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:30.680976Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055988/manifest.jsonobserved ade8b635564dd1a5aebc59f04615907f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:30.664190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055988/publication.mdobserved 99a5d0a28058bf146806cc66e0ff801d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:30.646360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055988/publication.txtobserved 9c9cfcc27f30694baf7b3fb694a5ef20...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. |
|---|