OT-2026-000042073
Publication integrity record
Four cup vacuum gripper, four outlet manifold, three 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-2026-000042073) never changes.
Identity and time
| Publication number | OT-2026-000042073 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d71-7b8b-b437-7e0b404d02a6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042073 |
| Status | PUBLIC |
Content hashes
| Canonical text | f44a3e3ff1ca288b910f0f0173075bb84565c0e69f9299472f8e0ea443ee5c19 |
|---|---|
| Markdown | 366d09329c53d1fce666d0457601c9678b87684b1fa4e99b98e865f2be4cfaed |
| Publication page | 060d7891cc16c43a4696933c43fb4d0aa024a1986d859ded366be95f40ee2120 |
| Manifest | b9edb1c70fe4843946c1481796f1c792a6b9cefae1f77e114c0cb4b8280813a4 |
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 | omqT/kyyg9/R2pbBHg/3w0FlLcDt+bRGsh+0ujjsEsZapid87r5zIi/lkGI4mn2UgMcCZWrkTuqn/E2k9IFoAQ== |
| 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
| 2026-10-25T04:23:08.300081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042073observed 060d7891cc16c43a4696933c43fb4d0a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T04:23:08.284192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042073/manifest.jsonobserved b9edb1c70fe4843946c1481796f1c792...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:08.257438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042073/publication.mdobserved 366d09329c53d1fce666d0457601c967...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:08.177675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042073/publication.txtobserved f44a3e3ff1ca288b910f0f0173075bb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:23:14.496293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042073observed 060d7891cc16c43a4696933c43fb4d0a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:23:14.479861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042073/manifest.jsonobserved b9edb1c70fe4843946c1481796f1c792...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:23:14.445387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042073/publication.mdobserved 366d09329c53d1fce666d0457601c967...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:23:14.294699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042073/publication.txtobserved f44a3e3ff1ca288b910f0f0173075bb8...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|