OpenTechnical

OT-2026-000069192

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000069192) never changes.

Identity and time

Publication numberOT-2026-000069192 · never reused
Internal UUID01a0ae90-6dcf-7618-8c8f-d510d28f04d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069192
StatusPUBLIC

Content hashes

Canonical textf42ff1596b63b3059ae8d960a8bd567d44fcfe61d3f9eac8bab9519df803984c
Markdownf0693c3122b797c42c487d2f4f483b1696cc62f989f97917ecc6f8e725a812b5
PDF
Publication page61495fd658ab775c934185be3f4053abe58b2d2713c31c1dfc712d9fca122383
Manifest9742ae82a2760eecebc602f5045fdf57ebc8f7a9a428e6e6129b404b4a2903c5

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
Signature+kJHgwBUUnLsrZsdOPNzIW3vIoc1WmyYP08IAt8n5FtSql4ZSS2LXaoTRSSf6ECxfsGQ7faW4ucd+NTWWWI3BQ==
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

2026-09-17T10:29:05.339797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069192
observed 61495fd658ab775c934185be3f4053ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.320340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069192/manifest.json
observed 9742ae82a2760eecebc602f5045fdf57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.304017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069192/publication.md
observed f0693c3122b797c42c487d2f4f483b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.286591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069192/publication.txt
observed f42ff1596b63b3059ae8d960a8bd567d...
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.