OT-2026-000091889
Publication integrity record
Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000091889) never changes.
Identity and time
| Publication number | OT-2026-000091889 · never reused |
|---|---|
| Internal UUID | 01a0ae9d-43ba-7a94-bb03-e19d7ba99b87 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:37.256105Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091889 |
| Status | PUBLIC |
Content hashes
| Canonical text | df5269522ff227ebc1153e4407fc06ab570d558cd81e6a58c6be963fbc6ee171 |
|---|---|
| Markdown | f35b1c29edeeee6586f412ebf468e7f84e120356d24823e1341ad420921e3b4c |
| Publication page | 05ceef131a272355450cb9fdb55137bfb85244f144d4e6e67f9417d8880f0540 |
| Manifest | 3d5f5505db31b4542715ea880afcba42fa1c1fb5885dc4a1bc53acfad003d97b |
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 | kIaHNcQletbq+KwE49cXzKUajR1Bzx0psSPgvzQxkagAMAn0RLC5XmmTBTO06L2/ObkMuQ4pV3TYzfg5oIZ8Aw== |
| 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
| 2026-09-17T09:42:49.279127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091889observed 05ceef131a272355450cb9fdb55137bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:42:49.261448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091889/manifest.jsonobserved 3d5f5505db31b4542715ea880afcba42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:49.237688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091889/publication.mdobserved f35b1c29edeeee6586f412ebf468e7f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:49.141283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091889/publication.txtobserved df5269522ff227ebc1153e4407fc06ab...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. |
|---|