OT-2026-000029944
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000029944) never changes.
Identity and time
| Publication number | OT-2026-000029944 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7c60-bf37-6069e583a2f0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029944 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6f17d9e5aac5138417cee1e325e1cc78f6d7f763610cf76b388e31170ccba967 |
|---|---|
| Markdown | 9f6e6739a2d2874847f9eae65b0fd1d88b29b35190c20e66e5768a40de6ee60c |
| Publication page | b4dc547d15b3f50ac09860b6c74a6f23dcfe9148fc17688c5ae0eb674209144d |
| Manifest | 895b664420076978da50ccbd8ff2952dfeb39984c0f1e3c54868298a40115aae |
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 | YDFZ92ztMlOzORUakS5uIe0yx64MRB3RKU1kY40Hi6WezuntrJuo8UOAQBFMqdDEhpjyVyb8wnPOcL7CBTWBCw== |
| 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
| 2026-09-17T11:38:39.384257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029944observed b4dc547d15b3f50ac09860b6c74a6f23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:39.367898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029944/manifest.jsonobserved 895b664420076978da50ccbd8ff2952d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:39.351092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029944/publication.mdobserved 9f6e6739a2d2874847f9eae65b0fd1d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:39.335185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029944/publication.txtobserved 6f17d9e5aac5138417cee1e325e1cc78...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. |
|---|