OT-2026-000028260
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, 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-2026-000028260) never changes.
Identity and time
| Publication number | OT-2026-000028260 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-7137-9d2e-4f4422cb4f33 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028260 |
| Status | PUBLIC |
Content hashes
| Canonical text | cd009ecf74d1c36f3b8f3097dda2a592fed49869be36984aff500fa36c8cd41f |
|---|---|
| Markdown | 6bb9c638aa4482575af0c55b27fc48bfecfa2aaa087414683c304aa123c9ba13 |
| Publication page | 2a2433a028d32f5a5b394eb6537ad1a1b55aa24f49d5b0a2d7c1056071cd3032 |
| Manifest | 5c37a0d4cd59ea5d59775b1e5b785ac840ad23267a97a4a42478757dd4b52e10 |
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 | WWBdwwE1sMlX56/G030O2UHtF2DD+djy6zHzrfOne3xLcfq1f3+ZtxP21VR0AUk0sa6sfYW7NZuqbYxg/MNGBQ== |
| 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
| 2026-09-17T11:40:08.033566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028260observed 2a2433a028d32f5a5b394eb6537ad1a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:08.017488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028260/manifest.jsonobserved 5c37a0d4cd59ea5d59775b1e5b785ac8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:08.001800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028260/publication.mdobserved 6bb9c638aa4482575af0c55b27fc48bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.979754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028260/publication.txtobserved cd009ecf74d1c36f3b8f3097dda2a592...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. |
|---|