OT-2026-000077144
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, vented 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-2026-000077144) never changes.
Identity and time
| Publication number | OT-2026-000077144 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-70f4-9706-b8891b55538e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077144 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4057eb95dbe9c4ba2e108a55b819a94d9a6bdd5a199c8cb8bb265188cc218c4f |
|---|---|
| Markdown | 5fae3fa47efa461ce95ab8d1d3c4860d473ac83461cc139f52482d5f899d1446 |
| Publication page | 01204ddfc23e20ce4ba44490d40bcf5fdc4eb58266c120b5f41835a597b90fca |
| Manifest | efb133c8e6c1e4939319abcc249ea1d646d69e9ba92f1eb9e6d71f22fb39b672 |
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 | obNI5i8wFXQRn+/fy1MTiajzszyPycN/gmfIfkfOm/jEZP0849gKPjtYR7q8VJEiFNtmwyxLqyOgGzQI0YIoCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:11:12.238354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077144observed 01204ddfc23e20ce4ba44490d40bcf5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:11:12.215586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077144/manifest.jsonobserved efb133c8e6c1e4939319abcc249ea1d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:12.196947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077144/publication.mdobserved 5fae3fa47efa461ce95ab8d1d3c4860d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:11.800477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077144/publication.txtobserved 4057eb95dbe9c4ba2e108a55b819a94d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:29.100436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077144observed 01204ddfc23e20ce4ba44490d40bcf5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:29.081748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077144/manifest.jsonobserved efb133c8e6c1e4939319abcc249ea1d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:29.054732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077144/publication.mdobserved 5fae3fa47efa461ce95ab8d1d3c4860d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:29.036438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077144/publication.txtobserved 4057eb95dbe9c4ba2e108a55b819a94d...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. |
|---|