OT-2026-000042805
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, 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-2026-000042805) never changes.
Identity and time
| Publication number | OT-2026-000042805 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-70c8-a299-97198fe9e24d · 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-2026-000042805 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1cc1300a7874266701d622956263f74d8fc1ef5b369fad4f0770601141b8146a |
|---|---|
| Markdown | fa0af1e19c7c1b1becae932c26ec4cb5bc3269666ae304a5b8c9d23afd05e52f |
| Publication page | 4ea9a6fde9f45bc78c9e953f59628060c20f969bee74e890bd010cb94e47210e |
| Manifest | 81d18f3a18728be35b50f9db2a6d59691d5d3096d2359140bc76514491d784f6 |
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 | frXEjBK87ecIyzN/o6s419xp1gkxkuQDdcPP9Ekjk3OmN7RhBiAjIOUhL9Tfj3jjZZxkX8LGn6zhPR0t0c0BCA== |
| 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
| 2026-09-17T11:15:16.714221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042805observed 4ea9a6fde9f45bc78c9e953f59628060...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:16.693541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042805/manifest.jsonobserved 81d18f3a18728be35b50f9db2a6d5969...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:16.672931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042805/publication.mdobserved fa0af1e19c7c1b1becae932c26ec4cb5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:16.651038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042805/publication.txtobserved 1cc1300a7874266701d622956263f74d...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. |
|---|