OpenTechnical

OT-2026-000100286

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000100286) never changes.

Identity and time

Publication numberOT-2026-000100286 · never reused
Internal UUID01a0aea3-3053-7581-a989-f3dc27840ee8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100286
StatusPUBLIC

Content hashes

Canonical textd3d553d188ebdd3c65ddb78a814c45ab1389d0d36acc20435627f35e37fbda70
Markdown47b6fe0846bfd154487526b417c030ca4bd709006af1f23ed8b5ba6b47d08287
PDF
Publication page97d076346064fbadcd6050a2876684393be9fa7068e0ee621e81b5d1a031ca7f
Manifest78d83753f849e4c5d87ff58139e72d651c234d98199070706365d3485ae1edd9

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
SignatureLAVcsTdb7Azjvwk1Xe2Ic4bKFHPhI1cJlQF7/GjuvBJAIDl1Dm7yjgFQ4Z+sCe/R6cClpknUxdkG3/+sOA7qCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:05.972209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100286
observed 97d076346064fbadcd6050a287668439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.955584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100286/manifest.json
observed 78d83753f849e4c5d87ff58139e72d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.938754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100286/publication.md
observed 47b6fe0846bfd154487526b417c030ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.920476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100286/publication.txt
observed d3d553d188ebdd3c65ddb78a814c45ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:35.644190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100286
observed 97d076346064fbadcd6050a287668439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:35.618406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100286/manifest.json
observed 78d83753f849e4c5d87ff58139e72d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:35.598207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100286/publication.md
observed 47b6fe0846bfd154487526b417c030ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:35.578292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100286/publication.txt
observed d3d553d188ebdd3c65ddb78a814c45ab...
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.