OpenTechnical

OT-2026-000087361

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000087361) never changes.

Identity and time

Publication numberOT-2026-000087361 · never reused
Internal UUID01a0ae9a-cd4f-7fbe-bd76-057e66194e04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087361
StatusPUBLIC

Content hashes

Canonical text0ab037429f002077cc0b1992abd5ba4c6fb259e634744755ff0c548702be9867
Markdown0ed4bb210a8f324f373b49a20aa1c649e6c3de08771b30dbede69c76c25607e3
PDF
Publication pagee66ae2ec0f47051a15bffd0a55f457753b2960ce2a8ffa59f6bb88479f3f7dd3
Manifest846a83e186e33837eefd1474c17d1c3e4c1754f52d352f3fc56379f014b90285

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
SignatureBMWkiFthhOlBcl4RRMmqAo/Li2LKhrDqezlSvllQC81B1DNTmeOZs1cssZtl65cg3qZzUSuvZH0bBzL7dWTZDg==
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

2026-09-17T09:50:32.228159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087361
observed e66ae2ec0f47051a15bffd0a55f45775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.210631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087361/manifest.json
observed 846a83e186e33837eefd1474c17d1c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.194457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087361/publication.md
observed 0ed4bb210a8f324f373b49a20aa1c649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.178791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087361/publication.txt
observed 0ab037429f002077cc0b1992abd5ba4c...
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.