OT-2026-000021649
Publication integrity record
Two cup vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000021649) never changes.
Identity and time
| Publication number | OT-2026-000021649 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-700f-9da8-a145bf7f2e76 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021649 |
| Status | PUBLIC |
Content hashes
| Canonical text | e5b13535920a73b16a25f75b90b3bc93dfc131b27ac9b019bbd4c0c7a0f0f615 |
|---|---|
| Markdown | abd3481129abccbcc270d3a4b2e4f6b12dc0d6c2a4e75367cd12c982a8877721 |
| Publication page | dd3065581eae4a5e46020bf4bbd6ea989edbd07e38ace6836324a53c607512a4 |
| Manifest | 306606ad76d727110e0b97221fcbf408eda5802477f7bda96bb0be5fa02fb68f |
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 | oWI2VppdvE8gdmH0FyD+b/lDI+ZFGMZFvust1EeX/AGZ7gZ6LV+25rASCwoOKlH/LY2goo55RKnv7pN2BTktAg== |
| 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
| 2026-10-08T04:23:20.703842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021649observed dd3065581eae4a5e46020bf4bbd6ea98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T04:23:20.665278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021649/manifest.jsonobserved 306606ad76d727110e0b97221fcbf408...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:20.646799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021649/publication.mdobserved abd3481129abccbcc270d3a4b2e4f6b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:20.554685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021649/publication.txtobserved e5b13535920a73b16a25f75b90b3bc93...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:41:47.280368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021649observed dd3065581eae4a5e46020bf4bbd6ea98...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:41:47.177205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021649/manifest.jsonobserved 306606ad76d727110e0b97221fcbf408...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:41:47.025330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021649/publication.mdobserved abd3481129abccbcc270d3a4b2e4f6b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:41:46.853443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021649/publication.txtobserved e5b13535920a73b16a25f75b90b3bc93...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 |
|---|