OpenTechnical

OT-2026-000085455

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000085455) never changes.

Identity and time

Publication numberOT-2026-000085455 · never reused
Internal UUID01a0ae99-aaab-7579-9596-936786337509 · 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-2026-000085455
StatusPUBLIC

Content hashes

Canonical textf2ad614b20dcd4022cd112329cc017ab3ff7f2fc6c5ed13289ac7f7920e0f5bf
Markdown38c20e6b43f7b8fcc4c3d7fd8917141c38687a994917617ac01e14a5168174ad
PDF
Publication page51de65332d17a0492571694c425df8c6cdd5352e4ac05477aa57499468f21e08
Manifest2de057abc1016406817be7b526ab526dd3548a91652d53bfbfbb8b9c5eedf404

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
Signature3qSnNy1XN4akpme13ewXe2dyP5R/iUM+9IqFba1qDHRCV8eGZXifa8PiBNKUJxfL3O0t398ZXl/jowU45oRzCQ==
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

2026-09-17T09:54:14.714909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085455
observed 51de65332d17a0492571694c425df8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.699134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085455/manifest.json
observed 2de057abc1016406817be7b526ab526d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.682142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085455/publication.md
observed 38c20e6b43f7b8fcc4c3d7fd8917141c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.665719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085455/publication.txt
observed f2ad614b20dcd4022cd112329cc017ab...
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.