OpenTechnical

OT-2026-000014861

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000014861) never changes.

Identity and time

Publication numberOT-2026-000014861 · never reused
Internal UUID01a0ae6d-d094-759f-9dfb-65d9b177315d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014861
StatusPUBLIC

Content hashes

Canonical text4d4c8eff3e02d9212c937a98c28f58f1ad13f33665193747530110f69c85127a
Markdown64ec731ffb1d01a39f5ecac166db5e1b2cb11d7a137cf9a9591a0246e4870a0b
PDF
Publication pageda9e93e246ad60c324e960a35ac067400be1207c6f3504cd02613abda2327012
Manifest2d5188ef5cb5d3b4c4f185e8287931e121554a8315ede8eb73e6d6d11be47a99

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
SignatureJiFrd5q4/QAhVB1qiKbRkFAVaN0jC4OXZ3AGECc689DZW0tLlOgWFcxpOGNBT3QtYYdb4TLfmM52XlyzhvVRAg==
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

2026-09-17T12:06:46.775058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014861
observed da9e93e246ad60c324e960a35ac06740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:46.757027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014861/manifest.json
observed 2d5188ef5cb5d3b4c4f185e8287931e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:46.739695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014861/publication.md
observed 64ec731ffb1d01a39f5ecac166db5e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:46.720295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014861/publication.txt
observed 4d4c8eff3e02d9212c937a98c28f58f1...
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.