OpenTechnical

OT-2026-000093090

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000093090) never changes.

Identity and time

Publication numberOT-2026-000093090 · never reused
Internal UUID01a0ae9e-0910-7004-bbf6-115bf36cc6dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093090
StatusPUBLIC

Content hashes

Canonical textf3c83db82b72d71a649d4231738969716b32bc908e93c1cc4be975e109419a63
Markdown1a47bfd12f81852acbfd495d2d80f328d960f2b759377da1f70a2094c009f968
PDF
Publication page58c3b206f07f5beda3b3eee5a69eb396b58b23a0db5a6ffdf4c5ea0dbffaad26
Manifest38d6e656cfcbc47c8a42a3d6279d1c33fc054df262677888043a76207ec65cbd

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
SignaturesSKFgb5RMWfjRpJ9amFUt/jVTPvAOViebPKTGmitdMkq1z4CRASyfYPZSxEPT6h/IMnTre72iD4tW6ykuVWwDg==
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

2026-09-17T09:40:15.040791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093090
observed 58c3b206f07f5beda3b3eee5a69eb396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:15.024217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093090/manifest.json
observed 38d6e656cfcbc47c8a42a3d6279d1c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:15.006763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093090/publication.md
observed 1a47bfd12f81852acbfd495d2d80f328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:14.988406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093090/publication.txt
observed f3c83db82b72d71a649d423173896971...
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.