OpenTechnical

OT-2026-000091636

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091636) never changes.

Identity and time

Publication numberOT-2026-000091636 · never reused
Internal UUID01a0ae9d-43b8-7511-9e1e-95f38ab20219 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091636
StatusPUBLIC

Content hashes

Canonical text75ddcaf50863e7aac91a1b940f8c6c1c803d2bc7342577fce601146f9e94754c
Markdown3a79ca24e2d212011578b11098d7c8d2dea42797be3f53e181e6a463eb1fd0b8
PDF
Publication pagef47ebc4362cf94a7a0bd3c1330a249bb45f491cb3f8f2294cebc99b30cb23b02
Manifest4d17b0ff714d2c74657048283da81be50393a5f783696ddf72fb894dbdfc1deb

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
SignatureF4BAY9Y6VoLi36hitm4y0oROCPSfFzqSrSgz7kWTo7itvDPrVF7KglYdEO55ISwcYfkw3zca99LEPV3Lt8JkDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:00.143586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091636
observed f47ebc4362cf94a7a0bd3c1330a249bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.125952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091636/manifest.json
observed 4d17b0ff714d2c74657048283da81be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.107315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091636/publication.md
observed 3a79ca24e2d212011578b11098d7c8d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.089700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091636/publication.txt
observed 75ddcaf50863e7aac91a1b940f8c6c1c...
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.