OpenTechnical

OT-2026-000075235

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000075235) never changes.

Identity and time

Publication numberOT-2026-000075235 · never reused
Internal UUID01a0ae93-f200-78a0-8b99-2f2ad29f5165 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075235
StatusPUBLIC

Content hashes

Canonical text5e46ac171af4ad042d79245c2fbaa17e4c5c734702b3397f05e90634579ee0cf
Markdownb88fa7dcd177ec555e02f558af160c91e210c82e5e6c9e0fef99b0aedb8d7f1c
PDF
Publication pageb1ab31449f6de1007ea83ce2d7a4748ab98d22aff0a81d5f99d649c85ea7996a
Manifestdbedb74f121c1abfda0eb2c26a8cb661fc26c82823b8cacc901beb1e61c8767f

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
SignatureHtX4ncnpeJT7XnbYseX/oMLmtgJyaJ80cFgI6NrBLpWGdXF0uwZyvKi6gmxZuC4SiEKaZvYmRd3rrth5oP9uDA==
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

2026-09-17T10:20:31.254439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075235
observed b1ab31449f6de1007ea83ce2d7a4748a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.236059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075235/manifest.json
observed dbedb74f121c1abfda0eb2c26a8cb661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.216656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075235/publication.md
observed b88fa7dcd177ec555e02f558af160c91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:31.196470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075235/publication.txt
observed 5e46ac171af4ad042d79245c2fbaa17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:48.784144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075235
observed b1ab31449f6de1007ea83ce2d7a4748a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:48.765537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075235/manifest.json
observed dbedb74f121c1abfda0eb2c26a8cb661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:48.747853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075235/publication.md
observed b88fa7dcd177ec555e02f558af160c91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:48.728151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075235/publication.txt
observed 5e46ac171af4ad042d79245c2fbaa17e...
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.