OpenTechnical

OT-2026-000085674

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000085674) never changes.

Identity and time

Publication numberOT-2026-000085674 · never reused
Internal UUID01a0ae99-aaad-7cbd-8522-4918017fb36a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085674
StatusPUBLIC

Content hashes

Canonical text22be815f8ecb7f7365ee722eea305a97a0c6a3a00b61d6bed155cf0df5162b6f
Markdown09d91f6c4d9f8a8945f607acc3276fa8389a5527f401a1ba803ba7da54517989
PDF
Publication pageaa45c67d585d69d7b56ac5215e61a5e8021a417b0e6b4713a48affcebdc4b6b8
Manifest7519d01347b5fd256abac48eb0bfd3ebae0dfae75853a6646d0b0292efca9f24

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
Signatureq9KmgbxkuLcOtoP/IDrpZv6t48N6ZRrz1JuJ1wDwLKBnK6c4Xc73WHkQQLrwXY3WjO55C/Ed+j1Ur20D0SE/Aw==
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

2026-09-17T09:54:34.176617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085674
observed aa45c67d585d69d7b56ac5215e61a5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:34.157040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085674/manifest.json
observed 7519d01347b5fd256abac48eb0bfd3eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:34.139771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085674/publication.md
observed 09d91f6c4d9f8a8945f607acc3276fa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:34.121004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085674/publication.txt
observed 22be815f8ecb7f7365ee722eea305a97...
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.