OpenTechnical

OT-2026-000082750

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000082750) never changes.

Identity and time

Publication numberOT-2026-000082750 · never reused
Internal UUID01a0ae97-8cc9-78ec-882b-953868ef43d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082750
StatusPUBLIC

Content hashes

Canonical text9b37b9d26d23e55d1b40ab5913b65e2eec7d6e5c57ce0074cd0c40d8b9941266
Markdown490767af185015c6c38f71bab346e76cd651672646c677f803c65ab6a519df2b
PDF
Publication pagea7a4a4f29c3b9c1935af0038cc9dd22662d8c2dfada1fd2985c363ab9f0981fa
Manifesteb22d0fef8049f0c6c8a1d9128e02bd13f4d6334f1ca86d042eb64da373dc685

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
Signature6fq/mg80wXTKjxf8V2zQZA4Lu5U5nz7SpOgDbzxduEWCPeTcQIBMy8tVo05X0rlKGphpniIGKrlF69EVNU+4DQ==
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

2026-09-17T09:58:19.979255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082750
observed a7a4a4f29c3b9c1935af0038cc9dd226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.963065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082750/manifest.json
observed eb22d0fef8049f0c6c8a1d9128e02bd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.946806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082750/publication.md
observed 490767af185015c6c38f71bab346e76c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.930632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082750/publication.txt
observed 9b37b9d26d23e55d1b40ab5913b65e2e...
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.