OT-2026-000013428
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, 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-2026-000013428) never changes.
Identity and time
| Publication number | OT-2026-000013428 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fca-7cbb-b82f-8975c31fb52c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013428 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6cad3f8b5bcc404732fa8e189b6b36e58a111d4979fb083e02f57170b11441ec |
|---|---|
| Markdown | 1f71070ed86e4f3bfe2cd96f7cc67fc0bd417de0a4c107b3e9ff1eb91eb86b4e |
| Publication page | f4ec2057e340561b55f1b6c28cce59b7a360ead00f23ff82ee2e26233b5117f9 |
| Manifest | c6d77f68970b6aaa384f20417cdafa62c0c0e6e668bee0389e6b3a8c280750b4 |
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 | rOcTQbyvn6z+SvfLWZ0q1ZA1L6pP1arEcLFhbI+8hmdIX2RbcdOsKHVN25el4uAtkcC6pqMWOtTwv+BfwIAUBA== |
| 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
| 2026-09-17T12:09:54.787748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013428observed f4ec2057e340561b55f1b6c28cce59b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:54.766954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013428/manifest.jsonobserved c6d77f68970b6aaa384f20417cdafa62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:54.748166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013428/publication.mdobserved 1f71070ed86e4f3bfe2cd96f7cc67fc0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:54.730196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013428/publication.txtobserved 6cad3f8b5bcc404732fa8e189b6b36e5...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. |
|---|