OpenTechnical

OT-2026-000022175

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed 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-2026-000022175) never changes.

Identity and time

Publication numberOT-2026-000022175 · never reused
Internal UUID01a0ae6f-f4fc-7be0-aab1-5a1f6a19fd28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022175
StatusPUBLIC

Content hashes

Canonical texteab8b75d9609a162c51f3fb576e488dbfec7e89766ae719b000f75aeb23119a0
Markdown6c5a47ce7090d3fb1db6d74d48c21e30d121976bf1690c14786d6af356ad4cd6
PDF
Publication pagea5bb074477c17487fc772ac4a0ac1dc3434f62cb1723fd3711a24a616586bbec
Manifest0886efa32e55738ac77fcdd9e0d28b912e6aa369767c21134e4e6511782c4dfa

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
SignatureBZtQY43qkNvFreo5tEjiATBzkf0LpSV5cvzzd+enoKne2LGmloMbnc3LAydLlPnU4s6IwwcvgbRpUayWFf0NCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:51.312338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022175
observed a5bb074477c17487fc772ac4a0ac1dc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.294823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022175/manifest.json
observed 0886efa32e55738ac77fcdd9e0d28b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.274947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022175/publication.md
observed 6c5a47ce7090d3fb1db6d74d48c21e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.255800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022175/publication.txt
observed eab8b75d9609a162c51f3fb576e488db...
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.