OpenTechnical

OT-2026-000005868

Publication integrity record

Vacuum cup gripper, four zone face, two stage ejector, pulsed blow off before set down

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-2026-000005868) never changes.

Identity and time

Publication numberOT-2026-000005868 · never reused
Internal UUID01a0a947-8e58-7487-adc2-e16eb06671c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:13:54.139372Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005868
StatusPUBLIC

Content hashes

Canonical text2ecfd8a51f46c75173503fd37a320d31145f5ac2305ca6751680d09cb2de4782
Markdown3faa38ad1325357b6af5e24962b200e743252b40e9addd601ae71d8f1b7807a2
PDF
Publication page4acd1fc4da20c65fc5b1586d61696820dde36a97c98d30ca4acd125c85309e20
Manifest8e48523f9deea94bc6222864ee8a80406955b1e5ceee26a2962eb8b56f13f744

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
Signature34WcuPnrV1w7K/N45p9aNUMRb7wH/qBzmxdusMYp1+MdgSUfew0rPzFwQlYPzkCc+va8q5118kHfj2yiltKNBA==
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

2026-09-16T08:20:23.633383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005868
observed 4acd1fc4da20c65fc5b1586d61696820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:23.492968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005868/manifest.json
observed 8e48523f9deea94bc6222864ee8a8040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:23.479678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005868/publication.md
observed 3faa38ad1325357b6af5e24962b200e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:23.464868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005868/publication.txt
observed 2ecfd8a51f46c75173503fd37a320d31...
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.