OpenTechnical

OT-2026-000091313

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091313) never changes.

Identity and time

Publication numberOT-2026-000091313 · never reused
Internal UUID01a0ae9c-f16c-7f37-88a9-87bd2a98ea5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091313
StatusPUBLIC

Content hashes

Canonical text0f0bf532a03eb9dc79d33c5f7d4106e262cc4a6658b100ff05b1665193dd5ade
Markdowne847749832f7e537922f1db8d3bc49aadd7a63625acb824ad1b63b58f03ada6f
PDF
Publication page0d75eead73bfce40e9e01f7d980fe381dce6b21122c149ff73ebbf5d9b4b0489
Manifest33d3ff072688299fc54707aa1d5904ce45f3de6f1a6e40b514fb4de8653f89ed

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
Signature9BhxubMS8EUMfitkw3PdJhodAL+qNzagmyQD1ud/QU4P+//mGC6RnUY6fImfrnkOpLzdXcJBaeMTlrQBpkxSAQ==
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

2026-09-17T09:43:30.936586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091313
observed 0d75eead73bfce40e9e01f7d980fe381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.919152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091313/manifest.json
observed 33d3ff072688299fc54707aa1d5904ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.901659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091313/publication.md
observed e847749832f7e537922f1db8d3bc49aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.884187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091313/publication.txt
observed 0f0bf532a03eb9dc79d33c5f7d4106e2...
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.