OpenTechnical

OT-2026-000075930

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000075930) never changes.

Identity and time

Publication numberOT-2026-000075930 · never reused
Internal UUID01a0ae94-29ff-73ae-9660-8f278995e7e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075930
StatusPUBLIC

Content hashes

Canonical text30dc0c9a3521d2ec35a8d24896ce3a64adbec4bb00676353e487c038e99f5041
Markdown2c84e6c0fef4e1f928a6916ccc19c6d342d5e2637fbccb3694b4961fdedaa4c2
PDF
Publication page68f1e72b494e153da114a0248d9e8090014af693e2876fb9315cb1e0edd669a1
Manifest926f85112281f0ae48b6e26c2f8a25c859dceb54af254ce28b0b84472e28a092

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureAppi3y+nC3hr/MN3Lz48oUe0VwQCRRE+dxcwaP6nyISp+tuGrprutgwZEZp/hK4DNjK5nimpXf0CbHqQkpLbBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:02.515647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075930
observed 68f1e72b494e153da114a0248d9e8090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.496986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075930/manifest.json
observed 926f85112281f0ae48b6e26c2f8a25c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.461806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075930/publication.md
observed 2c84e6c0fef4e1f928a6916ccc19c6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.418808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075930/publication.txt
observed 30dc0c9a3521d2ec35a8d24896ce3a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:51.009189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075930
observed 68f1e72b494e153da114a0248d9e8090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:50.989999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075930/manifest.json
observed 926f85112281f0ae48b6e26c2f8a25c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:50.971512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075930/publication.md
observed 2c84e6c0fef4e1f928a6916ccc19c6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:50.953575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075930/publication.txt
observed 30dc0c9a3521d2ec35a8d24896ce3a64...
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 archivePending 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 packagePending Custody packages are produced weekly.