OT-2026-000029708
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-2026-000029708) never changes.
Identity and time
| Publication number | OT-2026-000029708 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e23-76f4-b1fc-7f5738b0fc3b · 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-2026-000029708 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9e85e20c2c3ec9e3317d44213ff2f1b2ee27f9b4cccce034edbe0d01b0a8f219 |
|---|---|
| Markdown | 0988bb7b107b546dff0b75fb3bb79db410eaaf2d26ac093ff8e848b8bb41d6c7 |
| Publication page | 12ae882131a3275531e3fe1cdf2691230e22400d82791f242b03a6e7ffc28d7f |
| Manifest | 8f51c4f9d3b920b1fe4b00c807d9542420b8e1498158d9568bb4a27f64acb3a9 |
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 | 5Rafe9rsUTeCnQVfZvPqvcLtYVGwZLvfZPmFCHUrYp3YlP2BRfb/PuVd2t5hbvOW/rc7KT8VCh2VW2p3HGnNDw== |
| 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
| 2026-09-17T11:39:26.285147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029708observed 12ae882131a3275531e3fe1cdf269123...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:26.267957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029708/manifest.jsonobserved 8f51c4f9d3b920b1fe4b00c807d95424...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:26.249681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029708/publication.mdobserved 0988bb7b107b546dff0b75fb3bb79db4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:26.229851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029708/publication.txtobserved 9e85e20c2c3ec9e3317d44213ff2f1b2...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. |
|---|