OpenTechnical

OT-2026-000030335

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed 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-2026-000030335) never changes.

Identity and time

Publication numberOT-2026-000030335 · never reused
Internal UUID01a0ae73-e501-71ad-a9b6-4abb0f039fed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030335
StatusPUBLIC

Content hashes

Canonical text84ca5604282fb6110af0512cf26377de555f24423c6be393786b0514b14e0485
Markdown694b5c158ac7af3eb1ca268d2eb3f85bf077ee976f028f5dc75ff137b82927e4
PDF
Publication page9583858fb385be5896a53cc071b394ab831e3e1fe637d750423f5f3ef8778ab2
Manifest1aeb97f3919c775b6dd77266f028b50348fd54e78500bc0ffe3c98fa55c9e7f7

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
Signaturel8NBXH+IwZ5BsP8m47IYmP8U1Vi/hFab/NpYR+6HHypSFyGAdQLFeZQ0dywKQ/dzHhPjkbjQJeO0gTwE+EvXDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:02.807797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030335
observed 9583858fb385be5896a53cc071b394ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.788540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030335/manifest.json
observed 1aeb97f3919c775b6dd77266f028b503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.771648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030335/publication.md
observed 694b5c158ac7af3eb1ca268d2eb3f85b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.754212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030335/publication.txt
observed 84ca5604282fb6110af0512cf26377de...
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.