OT-2026-000021982
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, two 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-2026-000021982) never changes.
Identity and time
| Publication number | OT-2026-000021982 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-7422-932f-1420507d5d33 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021982 |
| Status | PUBLIC |
Content hashes
| Canonical text | e2c2a45582f98e9c7569d44fd2ecdb8fc88a396a94ffa398279c64256955e020 |
|---|---|
| Markdown | d55d3de74f6715c7c150ce128298d6b19ba3b9a33622a44b98a2742d6e0553f8 |
| Publication page | 90b2fbf532ec8c530ac7fb7eb91360122e133a279ea253c5444cefa10bf1940b |
| Manifest | f5922950f021430d0a3d1ebbba79ce7d36a7b2ee99ebfabd066e1287ae204594 |
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 | wAAiEh+KMtZyuLfc2q5eqIgot0Z+gjDuPtYxueOgWIHH0TjJMDty4ei+J/nrMxamrhp7yCQxfH/zlkT+WCBVAg== |
| 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
| 2026-09-17T12:41:40.560989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021982observed 90b2fbf532ec8c530ac7fb7eb9136012...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:41:40.421998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021982/manifest.jsonobserved f5922950f021430d0a3d1ebbba79ce7d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:41:40.301030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021982/publication.mdobserved d55d3de74f6715c7c150ce128298d6b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:41:40.073697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021982/publication.txtobserved e2c2a45582f98e9c7569d44fd2ecdb8f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.374188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021982observed 90b2fbf532ec8c530ac7fb7eb9136012...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.356208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021982/manifest.jsonobserved f5922950f021430d0a3d1ebbba79ce7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.337871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021982/publication.mdobserved d55d3de74f6715c7c150ce128298d6b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.317606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021982/publication.txtobserved e2c2a45582f98e9c7569d44fd2ecdb8f...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. |
|---|