OpenTechnical

OT-2026-000100193

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000100193) never changes.

Identity and time

Publication numberOT-2026-000100193 · never reused
Internal UUID01a0aea3-3052-7d2e-8d75-41598e7b7d3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100193
StatusPUBLIC

Content hashes

Canonical text80eee6e496cc5557300c4c9f8e18c5646ac302f272d49fb2a35f2406431ae413
Markdown71440dae392d2a59b141d0fb19e6033eb31af790c7b9bff3cf0833bd6914ec71
PDF
Publication page9dcaf56be98456f63d94ae486a576f4d8d5b9421dc0f3b807e1f300975a1b9c5
Manifest9201ffbf55f8fb5c05fd39f4dcc148b48e838250844aa5aaf0a981d5324d01f3

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
SignaturemEOyYDBgY3qGZXEnEWdjqWcEuSLRbZ4YXJM9LkYnGYTsKaeEll9A60ZG6juRa8eLJBJIrYOu5jpZhGRJAwIyCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:54.739392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100193
observed 9dcaf56be98456f63d94ae486a576f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.721439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100193/manifest.json
observed 9201ffbf55f8fb5c05fd39f4dcc148b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.702761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100193/publication.md
observed 71440dae392d2a59b141d0fb19e6033e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.684032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100193/publication.txt
observed 80eee6e496cc5557300c4c9f8e18c564...
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.