OT-2026-000029756
Publication integrity record
Single bellows cup vacuum gripper, two 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-2026-000029756) never changes.
Identity and time
| Publication number | OT-2026-000029756 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e24-7994-8926-afa2da44e4a3 · 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-2026-000029756 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6498a219fbf5c5a5415e55ed61d186c41fc7610a53e19abc70c31dd322667e0a |
|---|---|
| Markdown | 1e152c13cfe5b4a535e491f1862b115a3f0846338f10698533ab812c4b29bea1 |
| Publication page | 0df1edf664465d8b83de11a06297024e31e2c2fc8d4b4d8a76eea639a6495f86 |
| Manifest | dbf5053afb5a7cae9141aa6606e9ddee430938667a1a9b70f7dd9109eb02999a |
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 | SFzecpnTjZLtV6L+0cT/5j6TeZFqcNK+KC0/l8O2QUKRkemOjmQB5Hx/FwBSl/o+RsDk/Iw8UTTv0mx10aIQDw== |
| 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
| 2026-09-17T11:39:31.138813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029756observed 0df1edf664465d8b83de11a06297024e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:31.121522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029756/manifest.jsonobserved dbf5053afb5a7cae9141aa6606e9ddee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:31.102419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029756/publication.mdobserved 1e152c13cfe5b4a535e491f1862b115a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:31.082596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029756/publication.txtobserved 6498a219fbf5c5a5415e55ed61d186c4...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. |
|---|