OT-2026-000078012
Publication integrity record
Single bellows cup vacuum gripper, pump fed, vented 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-2026-000078012) never changes.
Identity and time
| Publication number | OT-2026-000078012 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-7b1d-86f7-b40fb39f0d7a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078012 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3b8d380c81b20cd803f783cb9ab45a44d7ad0c4572a3c5f154d8f68e559bac4f |
|---|---|
| Markdown | 28c1c0f7edf15bb74735389128c2ae5f48a8720a7dc8e9e35b31cc8d3f3f6dab |
| Publication page | cb8758f1342748316002ad38b8159684f7d9057f0b9560d54bc5d4ad262ecd11 |
| Manifest | 27cf7d75bce2da7d57963bda9e92414c2748300134cea9d7559b8ee8ef55c6fc |
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 | jlWxAvWfhBs8Wmcd1Jl/R9EQ7PhUrU4t/9kBlzqlIc2bxZUMGIlo3qSMC9dzRjfwwr859YjFQXQiJ20CVdfWAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:10:30.943734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078012observed cb8758f1342748316002ad38b8159684...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:10:30.801656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078012/manifest.jsonobserved 27cf7d75bce2da7d57963bda9e92414c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:30.785004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078012/publication.mdobserved 28c1c0f7edf15bb74735389128c2ae5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:30.766898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078012/publication.txtobserved 3b8d380c81b20cd803f783cb9ab45a44...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:18.012497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078012observed cb8758f1342748316002ad38b8159684...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:17.991980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078012/manifest.jsonobserved 27cf7d75bce2da7d57963bda9e92414c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:17.971446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078012/publication.mdobserved 28c1c0f7edf15bb74735389128c2ae5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:17.952835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078012/publication.txtobserved 3b8d380c81b20cd803f783cb9ab45a44...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. |
|---|