OpenTechnical

OT-2026-000100258

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000100258) never changes.

Identity and time

Publication numberOT-2026-000100258 · never reused
Internal UUID01a0aea3-3053-73c2-8239-dd75e3ab2d25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100258
StatusPUBLIC

Content hashes

Canonical textc371996c8c82bfd7621d34d801b0fc47c81ea34d97272f43099061ab5da1137c
Markdowna9b3ce1e90344dc9ed1e6eb5869f9726a37180f77a5d82e9ec42f6b0dadca1b2
PDF
Publication pageaa6d9f7c19bb785aa03657f7a0434527d1da49201f584b7144fa55de472f255d
Manifest2acc22ac8c68931f2bd1e78cdd2abbc5e1721d0650321d5b1c08fba90e7ca0ea

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
SignaturePN5UdJu54T4WZSHaYqukSgpXK5x4sj9iHxxwpNwXNhe+IV46VBEs07lawu6QPxtUBjQ3TmQK92J8t1AG3rk0AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:03.766747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100258
observed aa6d9f7c19bb785aa03657f7a0434527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.749418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100258/manifest.json
observed 2acc22ac8c68931f2bd1e78cdd2abbc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.731119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100258/publication.md
observed a9b3ce1e90344dc9ed1e6eb5869f9726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.710225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100258/publication.txt
observed c371996c8c82bfd7621d34d801b0fc47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.429106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100258
observed aa6d9f7c19bb785aa03657f7a0434527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.410199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100258/manifest.json
observed 2acc22ac8c68931f2bd1e78cdd2abbc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.393731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100258/publication.md
observed a9b3ce1e90344dc9ed1e6eb5869f9726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.376992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100258/publication.txt
observed c371996c8c82bfd7621d34d801b0fc47...
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.