OpenTechnical

OT-2026-000075854

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000075854) never changes.

Identity and time

Publication numberOT-2026-000075854 · never reused
Internal UUID01a0ae94-29fe-7f5d-af18-035716329bd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075854
StatusPUBLIC

Content hashes

Canonical textef00a43b251b3187c96920e9e170a218befee496d9e807f6fc8271efcc14dd1a
Markdown87da8536a4aa9b329ad6077fb23883bce61bc6361debcc98a1cde25a64caa852
PDF
Publication page366363450e7795de4d2dbd51bf1061c87fc5d4dcf18d2cbb8c4000d0df0d21bb
Manifest0a9937d7f32952548ab67541143170078047e7d0adda4c2bcd3c9f409dd07f15

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
SignatureZe9CGUijllEhd7nctNzSGHGs/zeWPnt8iu9IBhC6IwJwfA/B+lT9AOQQbk5U1dy74xP9OwXZq8pIwC0oGb2xAA==
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

2026-09-17T10:14:34.010752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075854
observed 366363450e7795de4d2dbd51bf1061c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:33.988278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075854/manifest.json
observed 0a9937d7f32952548ab6754114317007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:33.970004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075854/publication.md
observed 87da8536a4aa9b329ad6077fb23883bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:33.949581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075854/publication.txt
observed ef00a43b251b3187c96920e9e170a218...
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.