OpenTechnical

OT-2026-000006067

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, three stage ejector

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-2026-000006067) never changes.

Identity and time

Publication numberOT-2026-000006067 · never reused
Internal UUID01a0a94e-3e49-7eac-9d93-5d37c2074464 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:21:12.396427Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006067
StatusPUBLIC

Content hashes

Canonical textd901118934a6b12183d70f4a092ef03b7106cdf263cef0d48257e1c9aa15e68f
Markdownd263311b256483629b017ccb4bd43fdb5141c681b609b29a9ee1f8286a94c170
PDF
Publication pagef90a46f8d09518c4bcc3ed085103d1a373213c2f5ae7dc40563683749049f5b2
Manifestc0b43575605715cca001aaa479f329bab19a933b9291eb6e46580c95b36772c9

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
Signature7Gg5X72PaxY5QmbTv1HHHwm8el4VFLfadlmI+LnbTKhD3mLQ2VgGv+Vo5Z+tM79bKPCon2IvMC9ohwKWQ42KCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:31.177028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006067
observed f90a46f8d09518c4bcc3ed085103d1a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:31.163757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006067/manifest.json
observed c0b43575605715cca001aaa479f329ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:31.150497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006067/publication.md
observed d263311b256483629b017ccb4bd43fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:31.135810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006067/publication.txt
observed d901118934a6b12183d70f4a092ef03b...
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.