OT-2026-000042940
Publication integrity record
Single bellows cup vacuum gripper, pump fed, pulsed 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-2026-000042940) never changes.
Identity and time
| Publication number | OT-2026-000042940 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7fc7-9796-51b698480f03 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042940 |
| Status | PUBLIC |
Content hashes
| Canonical text | 729391370123f8f37669928917e5110febc53a134fe23fdc20b187b1cfebd8c3 |
|---|---|
| Markdown | 6ccad61006031adfc25e3f2a2447f9a8203061d50ee98d423fab2a68d75bebf1 |
| Publication page | df671cdef64dfcd1784a084ab4dac79c9a170c7593ba39de10d5ba4570ee80a6 |
| Manifest | a9d7354b15fb1b202cb4e3e7e72158f8f9e7e8932230bbca231f6e01d6d8944d |
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 | +gwhXRy+p0YI6OgkKDyEo0J5njVWzqkKZgBA9d1wEc7vmr+TBhnx+5/OpRch68jcwCy0Ach1C+GjkecJO5nACQ== |
| 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
| 2026-09-17T11:15:28.402742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042940observed df671cdef64dfcd1784a084ab4dac79c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:28.384551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042940/manifest.jsonobserved a9d7354b15fb1b202cb4e3e7e72158f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:28.367187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042940/publication.mdobserved 6ccad61006031adfc25e3f2a2447f9a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:28.350343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042940/publication.txtobserved 729391370123f8f37669928917e5110f...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. |
|---|