OpenTechnical

OT-2026-000075227

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-2026-000075227) never changes.

Identity and time

Publication numberOT-2026-000075227 · never reused
Internal UUID01a0ae93-f200-7ca7-af84-cd47f9b08e46 · 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-2026-000075227
StatusPUBLIC

Content hashes

Canonical text4cdbbf6bb3c7f0f12769757dfe18da87237249c164946c6f44322bba6582c38d
Markdown5b32d004ae5da5739ed954ff621c98217de8fdce98c9e03e83bf605d53bbe13e
PDF
Publication pagea604108a6a25a17266841a0dcdba0e5436b5f245655ba860e4f7dd82967653ba
Manifestbffdc6677ff66cb77c9ba6e82ebb50bd04367acf01d10382e488ec70bcae4e1c

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
SignatureHIpvs9/ZWqX7dwBpr0ud5ZLYMKkWZgx3vuXrSuL9puol55L5yDzRV4siTOylFAmkNyn+E/+KLDeR8NSK5rEmCQ==
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

2026-09-17T10:20:30.626615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075227
observed a604108a6a25a17266841a0dcdba0e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.608004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075227/manifest.json
observed bffdc6677ff66cb77c9ba6e82ebb50bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.588578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075227/publication.md
observed 5b32d004ae5da5739ed954ff621c9821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.569709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075227/publication.txt
observed 4cdbbf6bb3c7f0f12769757dfe18da87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.022058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075227
observed a604108a6a25a17266841a0dcdba0e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.002167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075227/manifest.json
observed bffdc6677ff66cb77c9ba6e82ebb50bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:46.976413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075227/publication.md
observed 5b32d004ae5da5739ed954ff621c9821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:46.956201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075227/publication.txt
observed 4cdbbf6bb3c7f0f12769757dfe18da87...
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.