OpenTechnical

OT-2026-000092407

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, sustained 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-2026-000092407) never changes.

Identity and time

Publication numberOT-2026-000092407 · never reused
Internal UUID01a0ae9d-b5fc-7f46-b84b-0fa55c67cef9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092407
StatusPUBLIC

Content hashes

Canonical text085a470d6290cd6cfc7c44da378c9c091bda07c092f28bffbba129a203516273
Markdown976d1a0075d7306cec4c49da901c5c6085ddec4104f01b1ec07fda9c2aafe9d2
PDF
Publication page69e035f6594d3bda97280385b285c6a27f64131d1bf43b8705ba83f6e4fdc6ad
Manifest001425604fcc25bec2294fa119ce092e2dc4693df9a2f8b4b9835931954046a1

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
Signaturexd5HJOsg4KyJ1ho1z5pMyiIjqxdzmd1Xgsry0pBO5gGMy33aopfaTZWivWNLUofKDYF4+Xe0WxYrtD0+I4xvBA==
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

2026-09-17T09:40:57.412885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092407
observed 69e035f6594d3bda97280385b285c6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:57.395793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092407/manifest.json
observed 001425604fcc25bec2294fa119ce092e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:57.377543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092407/publication.md
observed 976d1a0075d7306cec4c49da901c5c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:57.360653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092407/publication.txt
observed 085a470d6290cd6cfc7c44da378c9c09...
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.