OpenTechnical

OT-2026-000076259

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076259) never changes.

Identity and time

Publication numberOT-2026-000076259 · never reused
Internal UUID01a0ae94-6a6f-7c1b-935f-898fee1360fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076259
StatusPUBLIC

Content hashes

Canonical textf2d7ddcf0c1bb05da6c5f621574dab13218b2cc1d859845be99fc723ff822f22
Markdown3a46f6e78f8285cc7071a9e9806b9a4225d78b29907708edcedd392e9ca58f9c
PDF
Publication paged0856796081efa8d3ea469a7886b550be3e8989837299ad3c4020aaffb59680f
Manifest7822dabd7c2525ad759989b8231977efa4caa13256766202bdd8ec99c173bec1

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
Signature+68tXmH+0BA2V7K/sp1FZMaJJ6MQz6vj9xHppq6gzoo2/pebSKV0wfDzcG8isayFYT/uPuIGgAqdgp870deWBQ==
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

2026-09-17T10:11:50.519227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076259
observed d0856796081efa8d3ea469a7886b550b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:50.499391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076259/manifest.json
observed 7822dabd7c2525ad759989b8231977ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:50.477478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076259/publication.md
observed 3a46f6e78f8285cc7071a9e9806b9a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:50.455515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076259/publication.txt
observed f2d7ddcf0c1bb05da6c5f621574dab13...
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.