OpenTechnical

OT-2026-000041540

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000041540) never changes.

Identity and time

Publication numberOT-2026-000041540 · never reused
Internal UUID01a0ae79-e89f-7a0f-a6b1-117c2bf133cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041540
StatusPUBLIC

Content hashes

Canonical text27f80a6821c2662d34eeef1df0649802280d0813d8aaeb89c156309711f842c6
Markdownc69b2d2d705a2119ed698a1d8ea637b56592d4a56e0b231d889fd46f7b096871
PDF
Publication page71c4d6c8eff64ef1d0748ce79667b0b462ea3ffc8dc8396c98d49ceca9bc8f6f
Manifest147fb8cc1b72c74d0db8b623d56e3993c40293f6da5ec8e6b89b774a050df77f

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
SignatureztMkCqBU7jHOsMLmsN8zHvRYyxBGnlnIbjebvtKj7J6K5IZB06nFvX0rrWkrjFLMI6NbMI+mNTomJAeuf0l2BQ==
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

2026-09-17T11:16:18.904081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041540
observed 71c4d6c8eff64ef1d0748ce79667b0b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.888620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041540/manifest.json
observed 147fb8cc1b72c74d0db8b623d56e3993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.873841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041540/publication.md
observed c69b2d2d705a2119ed698a1d8ea637b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.857892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041540/publication.txt
observed 27f80a6821c2662d34eeef1df0649802...
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.