OpenTechnical

OT-2026-000087441

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, sustained 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-2026-000087441) never changes.

Identity and time

Publication numberOT-2026-000087441 · never reused
Internal UUID01a0ae9a-cd50-7083-8a99-fb07c8f4d056 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087441
StatusPUBLIC

Content hashes

Canonical textc69fd69ca2ef419edd862224fbee908c0595e62eb72d18d8287872f8a50a0a95
Markdown105f7517543d86981be6b0e4f685be8ee7e2a1104d6d4e18d0c6c42598954f96
PDF
Publication pageb920b1cb06d83201399fc645dfca44eb6475953e8893dcf37337a5144aac37e6
Manifest9c0c4743d6c6d9cd3714d5bdfb7a123e1ceb87760fe48c21646f3227e4bbf1b3

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
SignatureLbWfiZyZesz6XVwinW+gh1eqlg8P3zabLGYtCNnmI+Le4PN+JVOogMNmnqV6FBnXSAXZKsosQDB1KXF6NTBhAQ==
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

2026-09-17T09:50:45.882992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087441
observed b920b1cb06d83201399fc645dfca44eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.866580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087441/manifest.json
observed 9c0c4743d6c6d9cd3714d5bdfb7a123e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.848862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087441/publication.md
observed 105f7517543d86981be6b0e4f685be8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.830553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087441/publication.txt
observed c69fd69ca2ef419edd862224fbee908c...
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.