OpenTechnical

OT-2026-000102132

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000102132) never changes.

Identity and time

Publication numberOT-2026-000102132 · never reused
Internal UUID01a0aea4-50f2-7a81-a49d-38c191d8e82f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102132
StatusPUBLIC

Content hashes

Canonical text0f1a46969e51f63be24766a59ff926d73df0103651882f027f8c9d98b1129c6e
Markdowna1f9c1a6be922c19d7c04e1dc214bbb38e9dc33b8d9a5539b07a6341e0e72fb1
PDF
Publication pagec8e6efde3a9c15bb10f9152b72c7715cfdff65e747eb301736a302c7b976bddd
Manifestb1d3bf9c0fdabaeef516fdc2aee309ab86c229cf2d4a2767ad99c9af6b67f2d8

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
SignatureBOjvU44XqHJGYGjcVW0kFyGPjBujX/IUfk2D/TMc4SGMqiQz+Mblt9oEy+zhWWqZhg7sVP+fIkyOKSMbsPqsDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:17.630388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102132
observed c8e6efde3a9c15bb10f9152b72c7715c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.610960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102132/manifest.json
observed b1d3bf9c0fdabaeef516fdc2aee309ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.591766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102132/publication.md
observed a1f9c1a6be922c19d7c04e1dc214bbb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.574696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102132/publication.txt
observed 0f1a46969e51f63be24766a59ff926d7...
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.