OT-2026-000029740
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-2026-000029740) never changes.
Identity and time
| Publication number | OT-2026-000029740 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e23-7d9a-b5c9-e12dd7cf3184 · 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-2026-000029740 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6f047dea76dc0feacd284aa0eab5329e574e9c6eeb373d90f31ef9fc328bb632 |
|---|---|
| Markdown | 2af9e68e104009fa2b65486d70ecc04df384fc8213a431fcedddda9bb4428e50 |
| Publication page | 6e4dfa6d2a66efb7d31c3edcbfdb5c1d31a945c9411cb824c1dffefd63bab2eb |
| Manifest | 87a93188d007b258acfab03299ebc1daa5788cc2cef8eaac1bcedafe3524c92f |
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 | dB2kvr5b9vnXFvXQsLJbN4FhRYyzqlDcDIWwwAElbGZp/9r58QnHCLlwXujfjujbjEgBvkYJgZD5JpN1sgWsBA== |
| 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
| 2026-09-17T11:39:09.645458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029740observed 6e4dfa6d2a66efb7d31c3edcbfdb5c1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:09.628791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029740/manifest.jsonobserved 87a93188d007b258acfab03299ebc1da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:09.611029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029740/publication.mdobserved 2af9e68e104009fa2b65486d70ecc04d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:09.592481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029740/publication.txtobserved 6f047dea76dc0feacd284aa0eab5329e...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. |
|---|