OpenTechnical

OT-2026-000075979

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000075979) never changes.

Identity and time

Publication numberOT-2026-000075979 · never reused
Internal UUID01a0ae94-2a00-72e3-aaa6-e627bdae9d33 · 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-2026-000075979
StatusPUBLIC

Content hashes

Canonical texteb9774519d09cb9523252fde4dc696bc09a6ebe0f7929b9e45945d7a3a3bb41d
Markdown535773a7daa34342761cab283f76e3a062dc9081e12323f6220c836ef987e917
PDF
Publication page96ef4675d4e3b8922a1298e0204095f881e6d6d37ec38ea1cc00ae78b0d0c823
Manifestb6ae0da05a5f768e7d73fd62ec61d4d0abf5229266eba5baef6adc1208e6d7eb

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
SignatureTSVJBe8V1YlMDoIw2S2F/MSsH7BaDpHiQyVDqfyCAlhPJEpGKPt9T6byQT0MgR1r/dKgU6PRTVgmA6UUqhDUAw==
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

2026-09-17T10:20:13.308147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075979
observed 96ef4675d4e3b8922a1298e0204095f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.283798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075979/manifest.json
observed b6ae0da05a5f768e7d73fd62ec61d4d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.262172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075979/publication.md
observed 535773a7daa34342761cab283f76e3a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.239994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075979/publication.txt
observed eb9774519d09cb9523252fde4dc696bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.263624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075979
observed 96ef4675d4e3b8922a1298e0204095f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.245418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075979/manifest.json
observed b6ae0da05a5f768e7d73fd62ec61d4d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.225695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075979/publication.md
observed 535773a7daa34342761cab283f76e3a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.207748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075979/publication.txt
observed eb9774519d09cb9523252fde4dc696bc...
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.