OpenTechnical

OT-2026-000011975

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000011975) never changes.

Identity and time

Publication numberOT-2026-000011975 · never reused
Internal UUID01a0ae6d-1942-7be2-98fd-229548947467 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011975
StatusPUBLIC

Content hashes

Canonical text72ec436848074af6e9c2fe05fc869731c6dba318926106a5692f891d8643b876
Markdownab91edd8c43c0a2afb619a9f7abed0b9bc8986f7f5b20af121a33df6a06d5daf
PDF
Publication page12e54af0cab78fc09807842f3c9e6a521089f6562fd2e5cee60a0b89a072f346
Manifest49d3397937baed75b396ddcb033479ca966245fb6ae6efcf6a0720a9acb54b5c

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
SignaturezdWXmW30I6kd6LqVMw0imk18ibvOyO/6rmOtVwipOicWn8c/390dtF46z60QGs1ZBKwrp9c4FcCkFmSyyqnkAQ==
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

2026-09-17T12:12:49.857169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011975
observed 12e54af0cab78fc09807842f3c9e6a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.836854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011975/manifest.json
observed 49d3397937baed75b396ddcb033479ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.816616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011975/publication.md
observed ab91edd8c43c0a2afb619a9f7abed0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.799516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011975/publication.txt
observed 72ec436848074af6e9c2fe05fc869731...
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.