OpenTechnical

OT-2026-000079427

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000079427) never changes.

Identity and time

Publication numberOT-2026-000079427 · never reused
Internal UUID01a0ae96-0b91-767c-bc9f-a441bbda795b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079427
StatusPUBLIC

Content hashes

Canonical text156239089da706b9aaffb569504afd79f2aaeb362b1a8dc59d0573fc79ad300d
Markdown94a9e47f3ca474ec1e4fec85a90e527d6a2ba72a753bad5ec61128b94bca85b2
PDF
Publication pagee30604311f5e9b6199c5c748b6f99f601e981c6f96d380d8ed246bcde3f458f6
Manifest1fea940799958b08f8666e99175fad2d4d56188bd6aadbdd9247ee794e57177b

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
SignatureKjudemn6dscWvZfhZZisWoZjOpYa/ft6joScoCMewj8KUHiHgqLQTKaKxWxkSl4I5aO39KFsV5gd1tJX55cOCw==
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

2026-09-17T10:05:03.220831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079427
observed e30604311f5e9b6199c5c748b6f99f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.201988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079427/manifest.json
observed 1fea940799958b08f8666e99175fad2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.184131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079427/publication.md
observed 94a9e47f3ca474ec1e4fec85a90e527d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.166247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079427/publication.txt
observed 156239089da706b9aaffb569504afd79...
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.