OpenTechnical

OT-2026-000010608

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, vented 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-2026-000010608) never changes.

Identity and time

Publication numberOT-2026-000010608 · never reused
Internal UUID01a0ae6c-0ee7-71ee-b861-61054023ad46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010608
StatusPUBLIC

Content hashes

Canonical text39f8a37b9ccd30917159e825f6caaae527b643595252500eb9ec883fe722fc56
Markdown8d7615116b19a69276623b4b6254811e56c2fcd22469be0e80a0e17a42b8692e
PDF
Publication page72a798bec3fd3ba261de4f7ea58455da59328598ca75feca754018c6d6bd0826
Manifestb1f3240bd8d6aab8a197cf34eff8853b6f6a67d9b8d7945716d3bedbdce880e6

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
SignatureMUgv7IoH/bYR4DoVkRROaIR4rZ72A4uSRaOUXje1Oq0yXm0Wn17me6IXKbwPUmbXdEJjVYQQSnf5s2EW0DlgDg==
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

2026-09-17T12:14:47.877235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010608
observed 72a798bec3fd3ba261de4f7ea58455da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:47.855663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010608/manifest.json
observed b1f3240bd8d6aab8a197cf34eff8853b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:47.833936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010608/publication.md
observed 8d7615116b19a69276623b4b6254811e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:47.814560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010608/publication.txt
observed 39f8a37b9ccd30917159e825f6caaae5...
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.