OpenTechnical

OT-2026-000083860

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000083860) never changes.

Identity and time

Publication numberOT-2026-000083860 · never reused
Internal UUID01a0ae98-0418-7d42-9e00-28502acf97fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083860
StatusPUBLIC

Content hashes

Canonical text9bbb36191e2cc2a0f8a7ef226662074bb68928e1c699ee1dad23052e790a0301
Markdown595ae694738e5b30622d1e3c0583ef877927835329e1e411b35f99af6641f626
PDF
Publication paged08594af6bfb0232d52e75684a36c058de58af9ab0ed8c5ba3b19ea7e4bd971c
Manifest866d52758c31075c6fa3a825bcb9ce1ca765d4a4eac1fd0150b400977de1c496

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
SignatureDzMHbv4K+iDfGkz7TKJpN7EzHzBFE9AGV38YEoLdZ+LkMGDb19mOr9EjtUgOpxd7ZLy5mWndENKGugKjsQgLDw==
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

2026-09-17T10:00:09.749143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083860
observed d08594af6bfb0232d52e75684a36c058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.725806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083860/manifest.json
observed 866d52758c31075c6fa3a825bcb9ce1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.694710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083860/publication.md
observed 595ae694738e5b30622d1e3c0583ef87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.668655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083860/publication.txt
observed 9bbb36191e2cc2a0f8a7ef226662074b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.266380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083860
observed d08594af6bfb0232d52e75684a36c058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.249621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083860/manifest.json
observed 866d52758c31075c6fa3a825bcb9ce1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.232831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083860/publication.md
observed 595ae694738e5b30622d1e3c0583ef87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.213366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083860/publication.txt
observed 9bbb36191e2cc2a0f8a7ef226662074b...
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.