OpenTechnical

OT-2026-000090916

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000090916) never changes.

Identity and time

Publication numberOT-2026-000090916 · never reused
Internal UUID01a0ae9c-c011-7248-b73a-d01df641c594 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090916
StatusPUBLIC

Content hashes

Canonical text7fbae18f97d6d1f2923413084cadb41b753c75d5ec711f8068bdb4915242b113
Markdowncc370e54baf7f9d929d850451484b60989ee57414ca66817a74027e5fccb8e3c
PDF
Publication pagee85dffabde58e0c405023c457ba82ef887e9e6088d5e3f6f56536e04dfb81643
Manifest74caf952ee563647b69a8380891f5af4b906927fdedb3a71feccda5924e29315

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
Signaturejk+ht5eBjx+Qj7HQzOASzA1X0Q3it+oTukcLY5dabZMJvbBCxPKINJZRZh+3ewgM1T79IsixWi/nPZ/JjzIVBA==
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

2026-09-17T09:44:07.805937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090916
observed e85dffabde58e0c405023c457ba82ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:07.786650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090916/manifest.json
observed 74caf952ee563647b69a8380891f5af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:07.767657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090916/publication.md
observed cc370e54baf7f9d929d850451484b609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:07.747872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090916/publication.txt
observed 7fbae18f97d6d1f2923413084cadb41b...
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.