OT-2026-000017216
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000017216) never changes.
Identity and time
| Publication number | OT-2026-000017216 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-76c7-7e5d-88f6-c36bc51490e0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:30.105855Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017216 |
| Status | PUBLIC |
Content hashes
| Canonical text | ac4e391b0739bf1b450ac87fa9c658f247c43e5ca9aaeeb8145e5167ea1c91cd |
|---|---|
| Markdown | 884277b339849dfff0d039945ba66914a5b9c35f209f4f3337f9de31d2f2a7a0 |
| Publication page | 87fe75002630222ee7418f4005536bd247077b2fc2c489cfb6ffe09a140a9cbd |
| Manifest | c01b8c048eeec0bcf08417c1a99af30d8b784cb80213b831218fab0447f80f8b |
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 | 8XZfqwk7bRfTUmdJY8puORlmV1sUhooZld6ERokIxZgBuXHt4M2mgU+PMLWVVNCCKGT55rJfKoVZ6Agzs1dLDw== |
| 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
| 2026-09-17T12:02:17.649277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017216observed 87fe75002630222ee7418f4005536bd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:02:17.630701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017216/manifest.jsonobserved c01b8c048eeec0bcf08417c1a99af30d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:17.583716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017216/publication.mdobserved 884277b339849dfff0d039945ba66914...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:17.533807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017216/publication.txtobserved ac4e391b0739bf1b450ac87fa9c658f2...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. |
|---|