OpenTechnical

OT-2026-000103394

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pulsed blow-off 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-2026-000103394) never changes.

Identity and time

Publication numberOT-2026-000103394 · never reused
Internal UUID01a0aea4-e460-7a80-ad43-fc443a75bed2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103394
StatusPUBLIC

Content hashes

Canonical texta8d61cb1a432f53aeaf314cd63666248111494ff20d5f4948e281c33752ca649
Markdown812b069803d375f362c9d0db46a46b5121569f68908ed722ec6788e1e7e16cdf
PDF
Publication pageae790432d1005db5b513c119ab7e02a0072fdb2ee89cb9c0814e1954387c337e
Manifestf57b83c7a9601c9514f3621f12b0b008f14103c83b0bc7cbade2b03fed45ff0f

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
SignatureolAiI8h+uiQo6HpxgSpVCzOKiC6LIhaC8YASE4cAgmqJD08cpPkIiIu3ocj1p+chBD565b1oALGgEUZ8MjVwAA==
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

2026-09-17T09:22:08.206579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103394
observed ae790432d1005db5b513c119ab7e02a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.188730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103394/manifest.json
observed f57b83c7a9601c9514f3621f12b0b008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.171613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103394/publication.md
observed 812b069803d375f362c9d0db46a46b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.154010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103394/publication.txt
observed a8d61cb1a432f53aeaf314cd63666248...
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.