OT-2026-000042837
Publication integrity record
Single cup vacuum gripper, common isolation valve, single 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-2026-000042837) never changes.
Identity and time
| Publication number | OT-2026-000042837 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-77fa-9435-c6ee3835d976 · 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-2026-000042837 |
| Status | PUBLIC |
Content hashes
| Canonical text | d919f39ca4a6e5252441951c9d2ea8adfb3f129d102d0bc608eb3554150bd901 |
|---|---|
| Markdown | a39780a8255c811222ee658939665c71d28f2f28e23bf9599a5b677d1b762b40 |
| Publication page | 8ef200eee92e42ba12bac473c5459a7dd14722e5c086864f6474125c3b6d2da0 |
| Manifest | 21dade9c345666e5dac0afadb72dcdc267e80bc7a07860de736c7d8eaa468e49 |
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 | +c5PTa+cnyPVE0HhpnZjJ+ytUttp22dEHzrYLmEjyi+oaZIfKtWZ0jboGp/ig+HQ6Y0iu4FlF5Zn+vOneU9vBg== |
| 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
| 2026-09-17T11:15:19.312810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042837observed 8ef200eee92e42ba12bac473c5459a7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:19.291416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042837/manifest.jsonobserved 21dade9c345666e5dac0afadb72dcdc2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:19.270291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042837/publication.mdobserved a39780a8255c811222ee658939665c71...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:19.247911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042837/publication.txtobserved d919f39ca4a6e5252441951c9d2ea8ad...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. |
|---|