OT-2026-000020448
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000020448) never changes.
Identity and time
| Publication number | OT-2026-000020448 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7dd2-9a0b-9e7a3f2bbac9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020448 |
| Status | PUBLIC |
Content hashes
| Canonical text | 51212ef448ae462b62e77ff0ce3fbff5392391c0a8ea46a2a402badbf8478b05 |
|---|---|
| Markdown | cb458e64b291e6222f3943aa664ef9cd7611007732b294a51f28d8142eb0123f |
| Publication page | 085b2762588624cba2be15f283e50392ed1478fa545e0826dcc71a121f50e1fc |
| Manifest | 2449f3dbd61d3310e66e6a0db43a5a4b1ade550c6a48464d3abb3d4d92606aec |
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 | lArV2LJ0aeXB73AhLgq9dOLSy8OPg25JpSGtoc5JgUscgl8WNQJbd71dzcjp/AxmR1dKhBtbSH0oTFgBsXjFAA== |
| 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
| 2026-09-17T12:00:22.453523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020448observed 085b2762588624cba2be15f283e50392...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:22.434011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020448/manifest.jsonobserved 2449f3dbd61d3310e66e6a0db43a5a4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:22.414164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020448/publication.mdobserved cb458e64b291e6222f3943aa664ef9cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:22.392225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020448/publication.txtobserved 51212ef448ae462b62e77ff0ce3fbff5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.272928Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020448observed 085b2762588624cba2be15f283e50392...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.254079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020448/manifest.jsonobserved 2449f3dbd61d3310e66e6a0db43a5a4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.234521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020448/publication.mdobserved cb458e64b291e6222f3943aa664ef9cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.214442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020448/publication.txtobserved 51212ef448ae462b62e77ff0ce3fbff5...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|