OpenTechnical

OT-2026-000014403

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000014403) never changes.

Identity and time

Publication numberOT-2026-000014403 · never reused
Internal UUID01a0ae6d-b27a-78b8-8b75-03c6b33a2bb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014403
StatusPUBLIC

Content hashes

Canonical textf23fbdf7d635cc033a035e11c4e4326edb4f41152f372bfa3891175da8d372df
Markdown7549c49c3c1d1175abbd1d5c5eee4bb48cd7395e0a6ef0fc84d0583762faada6
PDF
Publication page94c36e0e55ae0c44fbf53e10ded2068014a9d40f6f4825d5b80ab90207a0b6e2
Manifest5653542726ff5f1ed8641964ac20c78108326e41d5c6cb23fe76dce94b1b1161

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
SignaturewRJCz1FsZzZ7VF1lH/ao9BJqCB6n6VyilS3UQxhzS48Fjh+14Z3ANTogl/KaTp8MYNBab6IYw4LFqjDgZNPZDA==
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

2026-09-17T12:10:09.858729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014403
observed 94c36e0e55ae0c44fbf53e10ded20680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.839907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014403/manifest.json
observed 5653542726ff5f1ed8641964ac20c781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.821006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014403/publication.md
observed 7549c49c3c1d1175abbd1d5c5eee4bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.801292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014403/publication.txt
observed f23fbdf7d635cc033a035e11c4e4326e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:15.729508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014403
observed 94c36e0e55ae0c44fbf53e10ded20680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:15.709902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014403/manifest.json
observed 5653542726ff5f1ed8641964ac20c781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:15.691661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014403/publication.md
observed 7549c49c3c1d1175abbd1d5c5eee4bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:15.672882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014403/publication.txt
observed f23fbdf7d635cc033a035e11c4e4326e...
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.