OT-2026-000029728
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-2026-000029728) never changes.
Identity and time
| Publication number | OT-2026-000029728 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e23-70b5-bf8a-482f789905ae · 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-2026-000029728 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3e062842a0182d6c56aa60c251a1512dd8103274926c831772f4a0cfaf9ae807 |
|---|---|
| Markdown | 498d1a716003cb068383d1b56a11f205eb7b2b726c90cdd47047d2fb4895110c |
| Publication page | 952146731e32d6d0486a258707271f1c0ccda84cadb7f062bf81c6f7d66c5687 |
| Manifest | e48b62a9eac5900fd6ca4d74732caeb0f83eefd71b8d0711a50dff517d7416c9 |
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 | NP7RjylHkwa0adLu+FbjYKBaMvAQEJdYzgyJEwKQ7uu/y9LptkhqHD5uoXQm2isiKh0N1rzY2ArSXluINGPIBw== |
| 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
| 2026-09-17T11:39:28.643947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029728observed 952146731e32d6d0486a258707271f1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:28.624051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029728/manifest.jsonobserved e48b62a9eac5900fd6ca4d74732caeb0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:28.601942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029728/publication.mdobserved 498d1a716003cb068383d1b56a11f205...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:28.580767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029728/publication.txtobserved 3e062842a0182d6c56aa60c251a1512d...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. |
|---|