OpenTechnical

OT-2026-000008281

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000008281) never changes.

Identity and time

Publication numberOT-2026-000008281 · never reused
Internal UUID01a0ae6a-908e-7382-8cff-4c7bef2f5d12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008281
StatusPUBLIC

Content hashes

Canonical texteebcc8cc3bc86ba8bad12583e98848c0e144e2a8e5b9c3622636a7b856377faa
Markdown6c61a2d1bdc459032dd0191856e649e7143bdb5a519f37e77d1fffacc28ce2de
PDF
Publication pagebeff2f15334ee10ec1b441c8e2a7fc53eee7ebb10002224a740aa27895ab5612
Manifest39d049266d953adc45815c9268bb1e29696415f8d633a47129a6282be1db7ff4

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
SignaturexhqdL6biy6JmWm0h1Wm2CP02Y9kiLHkoKYUE6eUf4Av0viqAF60zoH+0dlFleJaM0uS3CJxPlVBKqgM0E2LwDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:43.381394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008281
observed beff2f15334ee10ec1b441c8e2a7fc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.364448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008281/manifest.json
observed 39d049266d953adc45815c9268bb1e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.347274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008281/publication.md
observed 6c61a2d1bdc459032dd0191856e649e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.329175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008281/publication.txt
observed eebcc8cc3bc86ba8bad12583e98848c0...
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.