OpenTechnical

OT-2026-000075973

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-2026-000075973) never changes.

Identity and time

Publication numberOT-2026-000075973 · never reused
Internal UUID01a0ae94-2a00-7015-8537-2010f42c3048 · 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-2026-000075973
StatusPUBLIC

Content hashes

Canonical text117a6625ffb304c7af03a1b4441c6aa875f83bb24a18295993bb48fbb8c407fe
Markdown0e95ae856a264f0b31a1bf97e6f61a9a68ed510045e4becc6e2d27f13913c657
PDF
Publication pagec576e4859365d66d81d45e7626a5dab63977e2e79c4c8e90012a719d1b37205a
Manifest2dbc870b8d9ed383bf5f4acc3f3708bb3bbf050fe59433bea708446978c4a7fe

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
SignaturezDS8RCHP3QzQ74THPcs4Nj3jQpggB8hfOgpWyITm92hzR4r8BbEOfxY5aoSbTdT2JtXkzNN9MoTSnQ0TIOyjAQ==
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

2026-09-17T10:20:12.801662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075973
observed c576e4859365d66d81d45e7626a5dab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.783821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075973/manifest.json
observed 2dbc870b8d9ed383bf5f4acc3f3708bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.764130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075973/publication.md
observed 0e95ae856a264f0b31a1bf97e6f61a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.745880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075973/publication.txt
observed 117a6625ffb304c7af03a1b4441c6aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:59.781134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075973
observed c576e4859365d66d81d45e7626a5dab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:59.762352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075973/manifest.json
observed 2dbc870b8d9ed383bf5f4acc3f3708bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:59.744477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075973/publication.md
observed 0e95ae856a264f0b31a1bf97e6f61a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:59.726780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075973/publication.txt
observed 117a6625ffb304c7af03a1b4441c6aa8...
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.