OpenTechnical

OT-2026-000006853

Publication integrity record

Vacuum cup gripper, pump fed, contact triggered, rubber cups, oval form

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-2026-000006853) never changes.

Identity and time

Publication numberOT-2026-000006853 · never reused
Internal UUID01a0a969-b69c-75f0-ac99-66af80ef7ff3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:12.671217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006853
StatusPUBLIC

Content hashes

Canonical texte89bd820943288265caf5d9bab13f1ef00825e4574e5aa39d819fd28d27a3355
Markdown60e10299a38f17db39a788e9654701c2873d0f209035ad38da2fd0ef30c96360
PDF
Publication page0c9d40bfe2e14f16b6279c3075c7a0180e0dd7da84be77fa528df39d031ac6cb
Manifest54de6595ae68c667fb6fda8374ab40c117913162f9b397d01f3bba323b4834a5

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
SignatureVL8ScCRzAhn+o+Y0NEYZZKV1NG+gFoBjq/JcimIXUEnbkNzIIqatfkHTUodacThojFO+k0ZPFa2qUwmQPa9lBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:28.956474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006853
observed 0c9d40bfe2e14f16b6279c3075c7a018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.943712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006853/manifest.json
observed 54de6595ae68c667fb6fda8374ab40c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.930661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006853/publication.md
observed 60e10299a38f17db39a788e9654701c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.917713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006853/publication.txt
observed e89bd820943288265caf5d9bab13f1ef...
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.