OpenTechnical

OT-2026-000095202

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000095202) never changes.

Identity and time

Publication numberOT-2026-000095202 · never reused
Internal UUID01a0ae9f-8f70-7c19-8c17-de40f96500a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095202
StatusPUBLIC

Content hashes

Canonical texta52cf9fed4df71564ee132f501697c45d1efaec8e847505aefc3bdd134873bd7
Markdown6c6f7560f29a967adab0154a955ee007c0c5fd8f0a8ce6cd4fd3e599ff25644c
PDF
Publication page75b59f6f5dd62f8c865519058a89c78f23b820564c9920f2626d2d62bb63937d
Manifest69b5a3903de28367d36addfa33566ccedb1dc7e4448ef4e33f8da4a67546df35

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
SignatureBOqrPTVpTQN33LE/431e7FSRCtvPj9nzIKVpg+88myj5wDcWlCNF3dj1Az9ue37LY6hNJesloMCg9TxBL7IRCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:31.103632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095202
observed 75b59f6f5dd62f8c865519058a89c78f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.086513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095202/manifest.json
observed 69b5a3903de28367d36addfa33566cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.067764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095202/publication.md
observed 6c6f7560f29a967adab0154a955ee007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.050376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095202/publication.txt
observed a52cf9fed4df71564ee132f501697c45...
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.