OpenTechnical

OT-2026-000083944

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000083944) never changes.

Identity and time

Publication numberOT-2026-000083944 · never reused
Internal UUID01a0ae98-0418-723f-8f14-9d36bae3fee4 · 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-2026-000083944
StatusPUBLIC

Content hashes

Canonical textcdf2f412fce8c8bfbf66969029130f07fd4bb8592ef93781b79b22832f324090
Markdown904c30239b6b4bb53baab6f8799bd0aa27080a32d06d44bf594067a03f707c23
PDF
Publication page9b5b83535b6d7a913db5ea3a6aa0d145d60e2f57a243c43f08f356c4e7b14858
Manifest6b0e203fe56e194815c9ba9c61da02db3f6aa680d7ca1512f8b4e36144879cd6

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
SignatureAeS0253Rjo9mFOd8Ph3KXA9pYdLB2buR+ERDh/Aknk7YGYwczkWRSMMG7XMkZ3WRrZyYfoQIlNojOOyrI+u+DQ==
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

2026-09-17T10:00:26.816314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083944
observed 9b5b83535b6d7a913db5ea3a6aa0d145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:26.795681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083944/manifest.json
observed 6b0e203fe56e194815c9ba9c61da02db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:26.774965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083944/publication.md
observed 904c30239b6b4bb53baab6f8799bd0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:26.753164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083944/publication.txt
observed cdf2f412fce8c8bfbf66969029130f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.559355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083944
observed 9b5b83535b6d7a913db5ea3a6aa0d145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.540959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083944/manifest.json
observed 6b0e203fe56e194815c9ba9c61da02db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.523588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083944/publication.md
observed 904c30239b6b4bb53baab6f8799bd0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.505789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083944/publication.txt
observed cdf2f412fce8c8bfbf66969029130f07...
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.