OT-2026-000075257
Publication integrity record
Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold 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-2026-000075257) never changes.
Identity and time
| Publication number | OT-2026-000075257 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f200-751b-81c7-30585f93b494 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075257 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8213869111045fac6a6b275b128a5a6629de986d7e81eeb53d9a1a2491f9c8f3 |
|---|---|
| Markdown | 2298fdcbd3e8f7f0abe9fb74686fb39916d0ffe38ee1af2b89bad1c510fe4f58 |
| Publication page | fd090a910a7434ec5ab6208f1b738eeb320cc777841b6c7605cdc27ffcf020d9 |
| Manifest | 8a94acb823ab52a1143e4bec39dfe36e011a6dc7b6fd481228a6dc5e9d0c1660 |
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 | cFSh00qSImrml+wmmZ/hsE8TrNpI11yaX79zhn2pqcxxq/Xq6jrSLzyhSEKOtOoo+9AY5plL+DsFyj54jGVADA== |
| 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
| 2026-10-31T12:41:32.989031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075257observed fd090a910a7434ec5ab6208f1b738eeb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T12:41:32.907578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075257/manifest.jsonobserved 8a94acb823ab52a1143e4bec39dfe36e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T12:41:32.835435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075257/publication.mdobserved 2298fdcbd3e8f7f0abe9fb74686fb399...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T12:41:32.722839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075257/publication.txtobserved 8213869111045fac6a6b275b128a5a66...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:12.954650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075257observed fd090a910a7434ec5ab6208f1b738eeb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:12.873981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075257/manifest.jsonobserved 8a94acb823ab52a1143e4bec39dfe36e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:12.752463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075257/publication.mdobserved 2298fdcbd3e8f7f0abe9fb74686fb399...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:12.651132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075257/publication.txtobserved 8213869111045fac6a6b275b128a5a66...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 |
|---|