OT-2026-000004745
Publication integrity record
Bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, contact triggered
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-2026-000004745) never changes.
Identity and time
| Publication number | OT-2026-000004745 · never reused |
|---|---|
| Internal UUID | 01a0a921-f851-7676-ada7-66f87229995b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:50.900191Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004745 |
| Status | PUBLIC |
Content hashes
| Canonical text | 63a44882e8f48ee19afe83c45b1ce4463f2d50dc76dd50bbee9047d69d734eb2 |
|---|---|
| Markdown | 6a322d01742cb166a258a0f0c3522dba2b0a8ba065488eecd68ac27ae895427a |
| Publication page | 14cea3d479480fd2073a39bd6f8ac15716edaf6822793a95432f67d46ada3172 |
| Manifest | c7425e9b9cd4ad1cd72b8aa7706651ba2df44fb7543ff094dffe16be9b8c74c3 |
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 | U7bng84QLN89aExLNXpO6TketHqhgi+IUNp/9+NoP9M30lQVUgRJefubylqtSp+xaiBLjfxq/gL+Xg2juhgSCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:23.468747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004745observed 14cea3d479480fd2073a39bd6f8ac157...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:23.456535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004745/manifest.jsonobserved c7425e9b9cd4ad1cd72b8aa7706651ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:23.443955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004745/publication.mdobserved 6a322d01742cb166a258a0f0c3522dba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:23.431439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004745/publication.txtobserved 63a44882e8f48ee19afe83c45b1ce446...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. |
|---|