OT-2026-000090445
Publication integrity record
Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000090445) never changes.
Identity and time
| Publication number | OT-2026-000090445 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-73d2-b8a4-5c918b905fdd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090445 |
| Status | PUBLIC |
Content hashes
| Canonical text | 70668f8c428d32f40dc1838ad2f9641b1a87a4c254123c7681e8e477892ade36 |
|---|---|
| Markdown | 0c1b137b55d0601dd72c56d7dacf26a7361b1c6ec6884907c7a3fcea616f4dc8 |
| Publication page | d17dd38795a62a0d183e3b13c54e60f85876abf29a0a5de23e818fab142efa92 |
| Manifest | 8c6890aee5492d4786a6d31a1d2638c71b59d62e4bfc6326604f6182eba70d74 |
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 | vk4uVQvpfMGFR6yc4mm/N2n2e8IzNKX+jQor+6GZSjVxZjEYwlgaGzqesLSfeT2Fn+O00okFy4VTESrRymSOBQ== |
| 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
| 2026-09-17T09:44:34.008538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090445observed d17dd38795a62a0d183e3b13c54e60f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:33.992723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090445/manifest.jsonobserved 8c6890aee5492d4786a6d31a1d2638c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.975214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090445/publication.mdobserved 0c1b137b55d0601dd72c56d7dacf26a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.956813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090445/publication.txtobserved 70668f8c428d32f40dc1838ad2f9641b...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. |
|---|