OpenTechnical

OT-2026-000075770

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000075770) never changes.

Identity and time

Publication numberOT-2026-000075770 · never reused
Internal UUID01a0ae94-29fe-7e48-84b4-14d6b51e5d7e · 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-2026-000075770
StatusPUBLIC

Content hashes

Canonical texta336329fe4a8e8f773296bfc33de554fb00448fec71a54133118dfdba3a76d90
Markdown4451421ad457c5805051b8e484e08f887d5ea68aa29db4fae513e7bfc7b09510
PDF
Publication page19627408432f28e501b4c75f1b87b3e82c15236b4c67145d1f1bb64cd25a69eb
Manifestc28ce0780784b42e6534f6033cd9efc7ebf40ebff728b492cd1a8a9775c5a9cc

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
SignatureLJsPILXTf2Tcr+0+fZj6K1P6CGrsAQHicYYgZmwZHUeStEyeAFSSvY6hn45aVCm4RWaYkOx/BjuFKmZUbhc0Dg==
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

2026-09-17T10:14:10.721579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075770
observed 19627408432f28e501b4c75f1b87b3e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:10.695891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075770/manifest.json
observed c28ce0780784b42e6534f6033cd9efc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:10.556388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075770/publication.md
observed 4451421ad457c5805051b8e484e08f88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:10.537041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075770/publication.txt
observed a336329fe4a8e8f773296bfc33de554f...
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.