OpenTechnical

OT-2026-000064029

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, vented after 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-2026-000064029) never changes.

Identity and time

Publication numberOT-2026-000064029 · never reused
Internal UUID01a0ae8d-53bd-7be4-80f0-7a44213f78de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064029
StatusPUBLIC

Content hashes

Canonical textd792286e3562ee05c63d2cb8ff0da136002b951120433378a8eb0f94e196f1f7
Markdown6746e0791797fcaf45f9b8e51495ff1b3eb9018d89729f64ce5196512d91a194
PDF
Publication page0181466ec582718f2a97d8fb4860d503c51ee495fe232fad98614d78efd8a47c
Manifest9d5ed5b2a06de53ae3f9ab0a38ae854a40ddb2f1069b093fda8b9c6bc35a9a60

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
SignaturehOeCSAabbxtQmYCXLsk6APXP0jycO3OSwiEJMbMLRppnVxLpkf8Q+CV2aSI/eaVAr6pMGRiHS2kHedUcafIIBQ==
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

2026-09-17T10:37:06.874704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064029
observed 0181466ec582718f2a97d8fb4860d503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.855657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064029/manifest.json
observed 9d5ed5b2a06de53ae3f9ab0a38ae854a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.836314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064029/publication.md
observed 6746e0791797fcaf45f9b8e51495ff1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.816870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064029/publication.txt
observed d792286e3562ee05c63d2cb8ff0da136...
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.