OT-2026-000017640
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000017640) never changes.
Identity and time
| Publication number | OT-2026-000017640 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-96f9-7e00-8046-e687887872ae · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:38.350302Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017640 |
| Status | PUBLIC |
Content hashes
| Canonical text | 99841de099790fd101554d2a39798185ee6b76cad382bf32c87f9475f0afa6cf |
|---|---|
| Markdown | c51d85bfa4a38dff2697758a761dbf04ff5cc9d8a80840af885c91da6da05caa |
| Publication page | c5cfaa6f0319a652f660d6a7bb88abe26a1fce4f5a8124141b7c857f4100b9e8 |
| Manifest | 49ae02acdcbf5cbe7c2a06cd0b4f4026a7d9e1066ee5c34129ee8379f8240b3c |
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 | HuuU1jnUIri5Q2a1GjJ/PJ90mBp7VKHrl5EVh3A13+nQSev0z56/A24g7aYUkq3gd3GMrw7pnGJkYRGpKcQ7Bg== |
| 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
| 2026-10-29T04:23:17.028674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017640observed c5cfaa6f0319a652f660d6a7bb88abe2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T04:23:17.013784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017640/manifest.jsonobserved 49ae02acdcbf5cbe7c2a06cd0b4f4026...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:23:16.998596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017640/publication.mdobserved c51d85bfa4a38dff2697758a761dbf04...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:23:16.916313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017640/publication.txtobserved 99841de099790fd101554d2a39798185...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:03.616096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017640observed c5cfaa6f0319a652f660d6a7bb88abe2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:03.533679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017640/manifest.jsonobserved 49ae02acdcbf5cbe7c2a06cd0b4f4026...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:03.484077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017640/publication.mdobserved c51d85bfa4a38dff2697758a761dbf04...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:03.396149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017640/publication.txtobserved 99841de099790fd101554d2a39798185...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 |
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