OpenTechnical

OT-2026-000084341

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000084341) never changes.

Identity and time

Publication numberOT-2026-000084341 · never reused
Internal UUID01a0ae98-5b61-7654-8611-c4c62097cbda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084341
StatusPUBLIC

Content hashes

Canonical textd6d58be92945e3d4f0bb9f2a5c933681df17ebcbb15dbf5062c5984dccd9c6de
Markdown304a0be7d09199dec3cef02c14c6cd04d004df17de23f54f91bd15584ed0ac04
PDF
Publication pagee30ae1a818fd716c206585bdf1a715115361c8ea4bac87d6b83afd2fc350e8f9
Manifest05b0ea484ad5e0c17e97e5ba2b9037ba2b923e3cedcda629ba760f94b749144d

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
SignatureaL6kS+UKRjHfTf9qxJJuNb8QlQQnWwHiLxsjPnkYDdRg7O4xSFXZns/4T0xjH8xcbYAb8+dMq8QthFWO4otfDg==
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

2026-09-17T09:56:16.280969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084341
observed e30ae1a818fd716c206585bdf1a71511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.263183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084341/manifest.json
observed 05b0ea484ad5e0c17e97e5ba2b9037ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.246427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084341/publication.md
observed 304a0be7d09199dec3cef02c14c6cd04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.227519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084341/publication.txt
observed d6d58be92945e3d4f0bb9f2a5c933681...
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.