OpenTechnical

OT-2026-000019195

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000019195) never changes.

Identity and time

Publication numberOT-2026-000019195 · never reused
Internal UUID01a0ae6e-f391-794c-a599-b3cff0176144 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019195
StatusPUBLIC

Content hashes

Canonical text7931cce7773a985874f61236a8c7984285a054f7ed2b45f9c104bbc31b8b5b25
Markdown2056a7d90770113427b379bc5a7d96c1994bd74d33e9e52fff040351517eafa6
PDF
Publication page33a3f97c3c62a1144022acaf5674ffa60c1a0631e1adbe8c54619c27263c7bca
Manifest65bacaf8c3f0a8490767c7176058a4e83a4312e7cc18c7a407e1eaab832938a7

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
Signaturenen4ft2CjxU8hXZoIq4zDMe2lUsR9mRQHR1KAuUUe/8NjDgyWLSbhZNh7fTGRdXiVimZVw+qOOqjlHL6RfX4DA==
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

2026-09-17T11:58:30.917601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019195
observed 33a3f97c3c62a1144022acaf5674ffa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.899384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019195/manifest.json
observed 65bacaf8c3f0a8490767c7176058a4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.883203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019195/publication.md
observed 2056a7d90770113427b379bc5a7d96c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.866241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019195/publication.txt
observed 7931cce7773a985874f61236a8c79842...
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.