OT-2026-000015220
Publication integrity record
Single bellows cup vacuum gripper, two 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-2026-000015220) never changes.
Identity and time
| Publication number | OT-2026-000015220 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-7287-bf78-78259fa984f6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015220 |
| Status | PUBLIC |
Content hashes
| Canonical text | f01efd288e29d6bfecf49c6a921717ea7c21649bfdb07c1bc6d159ff4f58028d |
|---|---|
| Markdown | ee8c4ea7e9713e3a1f0e409cb5168b6b749d677920e761419e861359335e8716 |
| Publication page | 88331f64089626e5073e3fdc1bd89308a3230fdeb4f88070f00ddd9bc51413d3 |
| Manifest | 8f69f70d8a49fa5017410ed7c93f346a4b9af4538b88a8cc92adbd0ce78ad0f8 |
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 | a8MzEiWnZ3RaWagmBnQBILLS5Q0dX/h+oU84gjPP8CbHTnXsORysuX0rSXHp+iNq+QTnt9LswaEpClFQRNTSBA== |
| 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
| 2026-09-17T12:05:51.470976Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015220observed 88331f64089626e5073e3fdc1bd89308...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:51.450786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015220/manifest.jsonobserved 8f69f70d8a49fa5017410ed7c93f346a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:51.432725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015220/publication.mdobserved ee8c4ea7e9713e3a1f0e409cb5168b6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:51.411865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015220/publication.txtobserved f01efd288e29d6bfecf49c6a921717ea...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. |
|---|