OpenTechnical

OT-2026-000089065

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000089065) never changes.

Identity and time

Publication numberOT-2026-000089065 · never reused
Internal UUID01a0ae9b-daff-7f64-a047-cb3202ae2dbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089065
StatusPUBLIC

Content hashes

Canonical text51aecd34f67d41c76a8f3fda4af09d47dd052d7b9f4a3c1b95a3fbbaf0b6a0ec
Markdown076cc95b256879bbdd818477519092d724e313f10fd5dab4b984bc345344377c
PDF
Publication pageacde333b87e8dc9e6cbfa4c6ada37ddfb6ff713477ff323e19122e49125e7c9d
Manifest1312e21200b34d87c565fd4f6cb46ff5413d001f07df49d74f9e4bf7046003e7

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
SignatureGrqlU1ftMlZnYdYssEnCHNBJXeoNjXS3N2JCF2Aj3Mb3d51ufjlJ0q6kpCkYOzgfCZE7PzGtDszdhntNMhlvBQ==
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

2026-09-17T09:46:57.943585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089065
observed acde333b87e8dc9e6cbfa4c6ada37ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.925531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089065/manifest.json
observed 1312e21200b34d87c565fd4f6cb46ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.907519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089065/publication.md
observed 076cc95b256879bbdd818477519092d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.890170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089065/publication.txt
observed 51aecd34f67d41c76a8f3fda4af09d47...
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.