OpenTechnical

OT-2026-000083991

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, sustained blow-off before set-down

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-2026-000083991) never changes.

Identity and time

Publication numberOT-2026-000083991 · never reused
Internal UUID01a0ae98-0419-7ee8-ad19-e5370d15101b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083991
StatusPUBLIC

Content hashes

Canonical textc7f1468eb5d430d2c579b56ddf206f8a82e9284303399c571f188de128ac186e
Markdownfc4faff7b77fe05b29e8f2c1b73bcc9e1aec061239c0b80899ac510fa91bb152
PDF
Publication paged438974b679c6ced4dcf753d62260305e31a87795c1be2676d37458db858c34b
Manifest74f816e6e7f2db7651f113395bd6817499c5192f23f62dd20ed0964c5a7c392c

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
Signature15bF9CsmtlgR09e6ZDrUWAufpiA32XKg64/hilahTyht6gf/STINDJFmCWby4dSFyYFoX2ReNTVdD7qreYlZCA==
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

2026-09-17T10:00:32.021023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083991
observed d438974b679c6ced4dcf753d62260305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:32.000277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083991/manifest.json
observed 74f816e6e7f2db7651f113395bd68174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:31.979845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083991/publication.md
observed fc4faff7b77fe05b29e8f2c1b73bcc9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:31.569625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083991/publication.txt
observed c7f1468eb5d430d2c579b56ddf206f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.753688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083991
observed d438974b679c6ced4dcf753d62260305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.739099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083991/manifest.json
observed 74f816e6e7f2db7651f113395bd68174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.723342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083991/publication.md
observed fc4faff7b77fe05b29e8f2c1b73bcc9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.708326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083991/publication.txt
observed c7f1468eb5d430d2c579b56ddf206f8a...
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.