OpenTechnical

OT-2026-000032281

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three 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-2026-000032281) never changes.

Identity and time

Publication numberOT-2026-000032281 · never reused
Internal UUID01a0ae75-106d-7425-8837-7598cc6edaff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032281
StatusPUBLIC

Content hashes

Canonical text300d65865ebba7f33d7b36fb3eba714072a8fda7f280cbd1b799955dadacd9f5
Markdown37b22f62648d15519106b762b62287d013372bc8e95b9097635fea121acdf8fa
PDF
Publication page5bd8d17c29213494bede19d100e563687c695765dabcf9d1564ff3bcbe67ff04
Manifestbdeb0e457f9d12a330c51d873cfb4e0018e8fc8a908554500d4834f9990cfc7a

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
Signature2JYNDXxURC4UgcXRm+VrukiLe0QFLCIxQGmCWYNSS6zOwG4wdjE9Yxs9OqnoxI6GTeUItRvQurVyXgO3SgXKCw==
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

2026-09-17T11:33:06.212662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032281
observed 5bd8d17c29213494bede19d100e56368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:06.191896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032281/manifest.json
observed bdeb0e457f9d12a330c51d873cfb4e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:06.170886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032281/publication.md
observed 37b22f62648d15519106b762b62287d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:06.151891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032281/publication.txt
observed 300d65865ebba7f33d7b36fb3eba7140...
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.