OpenTechnical

OT-2026-000083862

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-2026-000083862) never changes.

Identity and time

Publication numberOT-2026-000083862 · never reused
Internal UUID01a0ae98-0418-7f14-869c-3f89d9ca36db · 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-2026-000083862
StatusPUBLIC

Content hashes

Canonical texteef59680df433896183320f3a0548ab82362b550435f492cdbcd40f5e07924c5
Markdown8efff548bea7af04ddf9eba1b96a77ca7f1ddb4788f9c8ff7443277d74fff88c
PDF
Publication pagef194c3d3d9e36d78083fc51ac2f4d8621d5b007c56e7d0c159ebdefb3db86ef9
Manifest2f262ac2b327b09c348d24223a9f49d57a11371d73f62274ae19f76748fc9eaf

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
SignatureB1ehi8Vq0Y0XorbHO+k0zB1R3x/0rPLBbjfHSx30EHQIlZ2YcvW9ay0HSTHm9/w4ebgq1TIbKqVD7XlRR/Q0AQ==
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

2026-09-17T10:00:09.971847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083862
observed f194c3d3d9e36d78083fc51ac2f4d862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.943727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083862/manifest.json
observed 2f262ac2b327b09c348d24223a9f49d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.910945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083862/publication.md
observed 8efff548bea7af04ddf9eba1b96a77ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.874705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083862/publication.txt
observed eef59680df433896183320f3a0548ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.404282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083862
observed f194c3d3d9e36d78083fc51ac2f4d862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.387177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083862/manifest.json
observed 2f262ac2b327b09c348d24223a9f49d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.369715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083862/publication.md
observed 8efff548bea7af04ddf9eba1b96a77ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.352963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083862/publication.txt
observed eef59680df433896183320f3a0548ab8...
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.