OT-2026-000042777
Publication integrity record
Single cup vacuum gripper, three stage ejector, sustained blow-off 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-2026-000042777) never changes.
Identity and time
| Publication number | OT-2026-000042777 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-7a57-b731-325ae925f0b5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042777 |
| Status | PUBLIC |
Content hashes
| Canonical text | 126f0c87733f50514a1c3ff7ac41d26bf2ac75b497b916ad1b1c8f34a4a70690 |
|---|---|
| Markdown | 50a02e626b22d2cd96cccfbd8dfaac6f85de43f5d3c0c4bc60d09c87868dccac |
| Publication page | 8c0225542136d0694baa9fdb33415444597fb809dd6e982e3092cd03daa21efc |
| Manifest | bb7bc88f35d14893b995196ab54409b82b0fdff6fcee06429dadfa809682b1fa |
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 | v4heTn3leYwwBee+TQgRxkKIZxWplwsbIk7L4c66jlaaR73SLQHywp01a/hzTq3F+SA98OSEELy+HBMD0cY6Ag== |
| 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... |
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Independent retrieval
| 2026-09-26T04:23:23.740209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042777observed 8c0225542136d0694baa9fdb33415444...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-26T04:23:23.713840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042777/manifest.jsonobserved bb7bc88f35d14893b995196ab54409b8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:23:23.696604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042777/publication.mdobserved 50a02e626b22d2cd96cccfbd8dfaac6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:23:23.673388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042777/publication.txtobserved 126f0c87733f50514a1c3ff7ac41d26b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:47.206418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042777observed 8c0225542136d0694baa9fdb33415444...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:47.154968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042777/manifest.jsonobserved bb7bc88f35d14893b995196ab54409b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:47.105074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042777/publication.mdobserved 50a02e626b22d2cd96cccfbd8dfaac6f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:47.050938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042777/publication.txtobserved 126f0c87733f50514a1c3ff7ac41d26b...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 |
|---|