OpenTechnical

OT-2026-000091675

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000091675) never changes.

Identity and time

Publication numberOT-2026-000091675 · never reused
Internal UUID01a0ae9d-43b8-7575-a5dd-c45c4172bd2c · 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-2026-000091675
StatusPUBLIC

Content hashes

Canonical text3c178473650a24ae47c83a25414c2e7cb32d44ebc5ae2e9e455ab7646a262915
Markdown26cb6c20345a48b1b0ddc1b3e452ce8cddf3824fa5c1d26aac11b9310a05196b
PDF
Publication pagef61f17e3106589264fe2240381b3a825a0e5a79e960ed529e8c0424bf4b687a8
Manifest63b3d7cb5a27e52aed3995d2924941415b00811cc1accc629ecb9566c0805209

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
Signature1aQVXt53gfy52mgSTxSrleFh1fQvUqMEM4XoLJxt6C/L9dtBntwVu/5O3bYgpqTrMSOa1upZKLO/IeQsF/dEAw==
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

2026-09-17T09:42:03.359328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091675
observed f61f17e3106589264fe2240381b3a825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.341027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091675/manifest.json
observed 63b3d7cb5a27e52aed3995d292494141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.320771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091675/publication.md
observed 26cb6c20345a48b1b0ddc1b3e452ce8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.302217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091675/publication.txt
observed 3c178473650a24ae47c83a25414c2e7c...
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.