OT-2026-000029692
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-2026-000029692) never changes.
Identity and time
| Publication number | OT-2026-000029692 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e23-7a7a-b71a-e50b61d84f2c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029692 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8d8b5be3b0c8d9293c2042cf773fe028092e742fd5bb9d719182513ac1f19b1a |
|---|---|
| Markdown | 7324d8cac74a876d908794aac218177e49aa40b79809931ca47938da4569382b |
| Publication page | a6110201fb490e95d878d03966d467816b5f1204a5f24d17392fb0cfd3c99a05 |
| Manifest | 9700ae029930c5626e648252ccc5080f1353936550490bcb8bdfd1e1156da154 |
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 | Ho22rrVyKzIXSascSpFJJtPiDNI5jeIMiErTjoWD0Y1y6TcGxkaVwtTEsdCoK/qGapZFtaEcJ53kw73aq+fABQ== |
| 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
| 2026-09-17T11:39:25.163793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029692observed a6110201fb490e95d878d03966d46781...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:25.144271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029692/manifest.jsonobserved 9700ae029930c5626e648252ccc5080f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:25.128328Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029692/publication.mdobserved 7324d8cac74a876d908794aac218177e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:25.111111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029692/publication.txtobserved 8d8b5be3b0c8d9293c2042cf773fe028...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. |
|---|