OpenTechnical

OT-2026-000084612

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000084612) never changes.

Identity and time

Publication numberOT-2026-000084612 · never reused
Internal UUID01a0ae98-e25b-7f22-82c7-a64c96d5aaac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084612
StatusPUBLIC

Content hashes

Canonical textcae2edc8ba6c27c99ddcfd130de156d8caf9d9b63443937b3be36cf9a145854a
Markdown03af271b2fe125c3521b57d5c7c32c3048709298f11deebd89b7b5f511770951
PDF
Publication pageb937e92701d303bc371110f235669ea8297b4adde397c3285888bdb6e84eeee7
Manifestc93d6d87171703e164c4b64f85850509ebe7796ab07f8567621942a38b902df1

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
SignatureBVMpOzU2Vv6FbXxKsHor0aqvE4meXFKaEZAWgzXl+U+E9yPgtrzMfjoHD2nsdJdzigLG6+K50lp0QSxxkyzyCw==
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

2026-09-17T09:55:31.358947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084612
observed b937e92701d303bc371110f235669ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.341033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084612/manifest.json
observed c93d6d87171703e164c4b64f85850509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.324130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084612/publication.md
observed 03af271b2fe125c3521b57d5c7c32c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.308359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084612/publication.txt
observed cae2edc8ba6c27c99ddcfd130de156d8...
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.