OpenTechnical

OT-2026-000078208

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, vented 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-2026-000078208) never changes.

Identity and time

Publication numberOT-2026-000078208 · never reused
Internal UUID01a0ae95-7c26-7066-811e-7db543695ed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078208
StatusPUBLIC

Content hashes

Canonical text564606129f77940e4ac997c2a9b03d4ec4511e9912a4b71a6d7781711c931ddc
Markdowne0a6fe7c0a7036ca35ae54dc9076bf5620e3083339020251be9fc2c2a24b8311
PDF
Publication pagea4f21465a586c38404846fe01ff0d6a3e7489bc2fca8fa0cfaa89df3ecd9e6c2
Manifest8cd08397190d11fcd8f3cae0f73f6fef32b37dcf9bf88d25840b8127b1244682

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
SignatureU2a39sAXofY9N2gKfJrmmp+aXa0QKMcwya4IpfeooNa8BzAM0togVKvxZqjwzctQwgGX9bVjczm7cVaThiwNCw==
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

2026-09-17T10:06:09.325305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078208
observed a4f21465a586c38404846fe01ff0d6a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.306873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078208/manifest.json
observed 8cd08397190d11fcd8f3cae0f73f6fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.289211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078208/publication.md
observed e0a6fe7c0a7036ca35ae54dc9076bf56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.268610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078208/publication.txt
observed 564606129f77940e4ac997c2a9b03d4e...
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.