OT-2026-000077342
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000077342) never changes.
Identity and time
| Publication number | OT-2026-000077342 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f509-7274-9d5e-c0af21825bde · 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-2026-000077342 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8cd1699f46accd478a9e3af0369b5ccf3cc800950b507fc53851dfb4e35d309c |
|---|---|
| Markdown | c2abef9ac600ac30f93485a524838758c51a91cb550cd0182c0dc2e5aa17322d |
| Publication page | 5cfe2eaa513f08dbfedf323c5da66e4314cd1d28818a66a00ce1614dae7db665 |
| Manifest | ed70f4e62c9167c98b4a0b34bc6687dfa60bc8569b58973ae5c81bc956b17a81 |
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 | af1BsDWqQXwF0uXwnQ3HY6Tqgw5ANdKhEIP2m6UgOwVgiLK/bzO58XuiyFuPXn39y2vFOHkNrBJdGEKleeO+BA== |
| 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
| 2026-11-02T04:23:28.027997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077342observed 5cfe2eaa513f08dbfedf323c5da66e43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T04:23:28.012244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077342/manifest.jsonobserved ed70f4e62c9167c98b4a0b34bc6687df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-02T04:23:27.996074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077342/publication.mdobserved c2abef9ac600ac30f93485a524838758...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-02T04:23:27.962299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077342/publication.txtobserved 8cd1699f46accd478a9e3af0369b5ccf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:41:04.925475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077342observed 5cfe2eaa513f08dbfedf323c5da66e43...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:41:04.856465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077342/manifest.jsonobserved ed70f4e62c9167c98b4a0b34bc6687df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:41:04.788047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077342/publication.mdobserved c2abef9ac600ac30f93485a524838758...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:41:04.717961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077342/publication.txtobserved 8cd1699f46accd478a9e3af0369b5ccf...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|