OpenTechnical

OT-2026-000006794

Publication integrity record

Vacuum cup gripper, common isolation valve, plant vacuum fed, contact triggered, polyurethane cups, flat 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-2026-000006794) never changes.

Identity and time

Publication numberOT-2026-000006794 · never reused
Internal UUID01a0a967-9ea9-7663-b6b5-2753561bfeeb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:48:55.468158Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006794
StatusPUBLIC

Content hashes

Canonical text77d0469f15f4b0a95785908d8a7d69e322f05c297cff8da28dc8a27ea64b2c53
Markdown28ac09307e00eec85e6006de2a4fc0762ce505dc9bf6eb9dc416b3f41b12df0d
PDF
Publication page038a24fddb3712e759293239130059d517cef64d401fdb7bb88869188a988a4d
Manifest50b16c4ed3761b524b626d8a7ae62c179ab2236bc153985a506136bfe4177189

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
Signature3T/3L7lfH20ACiUIYWMUOQoLL02TQ/IcMqg16E+YzChDaXKmEkd6i7Jh4reLeIiTJF/q2zLUjX4wnWQZ0FqCAg==
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

2026-09-16T08:50:05.684380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006794
observed 038a24fddb3712e759293239130059d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:05.671285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006794/manifest.json
observed 50b16c4ed3761b524b626d8a7ae62c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:05.658771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006794/publication.md
observed 28ac09307e00eec85e6006de2a4fc076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:05.646100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006794/publication.txt
observed 77d0469f15f4b0a95785908d8a7d69e3...
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.