OpenTechnical

OT-2026-000085688

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000085688) never changes.

Identity and time

Publication numberOT-2026-000085688 · never reused
Internal UUID01a0ae99-aaad-77c7-bd6d-e9993ab28a32 · 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-2026-000085688
StatusPUBLIC

Content hashes

Canonical textcae22bdde9662fbe9a18ce30b8e8eba15f896f0cd37460c30adeec464886975c
Markdown511a59ab8ca3ec035a8a98091c86f42e9aa2cdd4030d4bd8cb33c2c6eefc79b9
PDF
Publication pagebc139dd481cb94da4a5f60e6292d96e00be8c1651bab54b0fe27b2fbac85bef6
Manifestbfefd1104a4bed77e607bf70a07c84967633ab3634d687b53cb89789f8679e0d

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
Signatureh22FsamMZ4AQUPEMaaw746QEVpLJ1iMaPfB6/rFD6em86tI0XUhtBEZE+zge3V3png3ADAm+OZ61QO7c/bWdBg==
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

2026-09-17T09:54:35.327094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085688
observed bc139dd481cb94da4a5f60e6292d96e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.308073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085688/manifest.json
observed bfefd1104a4bed77e607bf70a07c8496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.289782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085688/publication.md
observed 511a59ab8ca3ec035a8a98091c86f42e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.271798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085688/publication.txt
observed cae22bdde9662fbe9a18ce30b8e8eba1...
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.