OpenTechnical

OT-2026-000075967

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000075967) never changes.

Identity and time

Publication numberOT-2026-000075967 · never reused
Internal UUID01a0ae94-2a00-71d6-8bf6-35e6b21b5c27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075967
StatusPUBLIC

Content hashes

Canonical text1255c044d7af7527890793f65dce01d35e17bfdb487e941bb579eb36fd1c45c8
Markdown1789fb8e79ec56130f30dc7fca370f476acdcf6494f8f906b4f93fcf16f4b340
PDF
Publication pagea6b58a2ee4aa96361f1240fe0c5fac9de0a55b178b97c987f2c89aef5c9a435e
Manifest15de0dfeb38461e5e45f2c8524547293f833c613a2cff6dc394c941857aa854d

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
SignatureG1UEdJgASoU4pCUoXkRfOURQcM0wTyY3O23CbfRBClJl82VTmDLfk/Ua6kgcsqJjs0ubQAJd9Fja+mJCHBfnAQ==
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

2026-09-17T10:20:12.395306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075967
observed a6b58a2ee4aa96361f1240fe0c5fac9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.375378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075967/manifest.json
observed 15de0dfeb38461e5e45f2c8524547293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.357737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075967/publication.md
observed 1789fb8e79ec56130f30dc7fca370f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.339773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075967/publication.txt
observed 1255c044d7af7527890793f65dce01d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:58.753493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075967
observed a6b58a2ee4aa96361f1240fe0c5fac9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:58.734698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075967/manifest.json
observed 15de0dfeb38461e5e45f2c8524547293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:58.717941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075967/publication.md
observed 1789fb8e79ec56130f30dc7fca370f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:58.700295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075967/publication.txt
observed 1255c044d7af7527890793f65dce01d3...
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.