OT-2026-000089897
Publication integrity record
Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089897) never changes.
Identity and time
| Publication number | OT-2026-000089897 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428d-7c76-bdf0-174fafefdfb8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089897 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7244855df3b97ca5154a924473ccc71e0208490854446271f150ffaa07673f28 |
|---|---|
| Markdown | 56d31c35b12296e3f68a2f3fcad810d45d1f06376d9d4e2aa0b4d3ed32a6030e |
| Publication page | c74fff62e834eb50346bfa96dc14b149d1ba924986cf4cc249ad6fa575a4ae10 |
| Manifest | 7cb035b40bbe5522da3ae986ea59d482577e27a32710931845ffdb70ab43910b |
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 | UBE0f3sEFTkcM+hZavAd1ITus1R4B/mYGID6tU7nQYhswq4VwOqchWo6LH6Dri9oGKB/ZisneZaiGRZOKIURAw== |
| 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
| 2026-09-17T09:45:09.760195Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089897observed c74fff62e834eb50346bfa96dc14b149...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:45:09.741938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089897/manifest.jsonobserved 7cb035b40bbe5522da3ae986ea59d482...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:09.724452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089897/publication.mdobserved 56d31c35b12296e3f68a2f3fcad810d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:09.708132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089897/publication.txtobserved 7244855df3b97ca5154a924473ccc71e...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. |
|---|