OpenTechnical

OT-2026-000069782

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000069782) never changes.

Identity and time

Publication numberOT-2026-000069782 · never reused
Internal UUID01a0ae91-185f-7580-a441-17f4d9e37150 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069782
StatusPUBLIC

Content hashes

Canonical texte7d9659c8ce4d45c7287409a36043c9f49bfd6db9db8f5ca4d4493ddc9eabe39
Markdown3668f93f4fc0fd76ba04066b723ae1efbd1fb9660f990cf731c056e97eb353df
PDF
Publication page1e42e234418c918c9d7281db2a3f4dc0ef43acf413c4983db81417b03f302a27
Manifest7da6b498215a186168960515916224e74d85cf0ea7258f92538606d7d37662e9

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
Signature3IZQl0Pt1M9UsyDzAnDLjmhN65kI88Gi0H/0n/Os1ZaxAzZt67YWYCI9Po/6g+162aAW6m1nWn42fC1mW9rxDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:28.862435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069782
observed 1e42e234418c918c9d7281db2a3f4dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.843833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069782/manifest.json
observed 7da6b498215a186168960515916224e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.825641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069782/publication.md
observed 3668f93f4fc0fd76ba04066b723ae1ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.768670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069782/publication.txt
observed e7d9659c8ce4d45c7287409a36043c9f...
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.