OpenTechnical

OT-2026-000083525

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, 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-2026-000083525) never changes.

Identity and time

Publication numberOT-2026-000083525 · never reused
Internal UUID01a0ae98-0415-7603-b502-f34e5c4bd292 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083525
StatusPUBLIC

Content hashes

Canonical text17f7638a27613fb1e43fbdf660eb3486aae31a29369b5eb8374c92eb49fab5a2
Markdownac2c0d5c043745ea1df065bf2ee548be6dd80f3a9a3d087b7864366fcf29971f
PDF
Publication page9b4af578690b951722ee633616aa3c3e635692aa62185a1e1103914afb944b18
Manifest4e59bbbcdc3513a86c06f59c7451a71c88edb0bc3d3671308699cb5dbc1fcb3e

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
SignaturesWapzj6FBjdOkpNlYoxFSPvko7+sBWadJYaK1qcrqk5BypSrJFMT1psFZQGEWev21cepCTIZkSTS4DO72JecCQ==
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

2026-09-17T09:56:30.433944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083525
observed 9b4af578690b951722ee633616aa3c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.417695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083525/manifest.json
observed 4e59bbbcdc3513a86c06f59c7451a71c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.400924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083525/publication.md
observed ac2c0d5c043745ea1df065bf2ee548be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.381962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083525/publication.txt
observed 17f7638a27613fb1e43fbdf660eb3486...
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.