OT-2026-000029732
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-2026-000029732) never changes.
Identity and time
| Publication number | OT-2026-000029732 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e23-7917-a4e7-61f72eb59879 · 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-2026-000029732 |
| Status | PUBLIC |
Content hashes
| Canonical text | a67cad41dcb45a6fab534f0da36f6996e785654a2097451316b4ba45f9c5f31b |
|---|---|
| Markdown | bca530fd2588f174b499f7490ec87d14896a4fa94a39805b04ced7f77cc012ed |
| Publication page | 7fe451c4de49a3a873a0b0896a1600744816e098ea6dda0fa2deb8e57f8b5988 |
| Manifest | c2a9ba2868e6e6b3d69a4eae68acf163c482075aa9ada7f0c464a74ab205145d |
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 | hP6kWKBSjS7/wNjZyYwoZb1YZ9fkII11jzgJ6/LozPOmHW2bb1O7dEcf7cQ6/7qU1xNnnClJt3IXrw990T9+DA== |
| 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
| 2026-09-17T11:39:29.070964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029732observed 7fe451c4de49a3a873a0b0896a160074...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:29.050508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029732/manifest.jsonobserved c2a9ba2868e6e6b3d69a4eae68acf163...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:29.032215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029732/publication.mdobserved bca530fd2588f174b499f7490ec87d14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:29.009516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029732/publication.txtobserved a67cad41dcb45a6fab534f0da36f6996...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. |
|---|