OpenTechnical

OT-2026-000091671

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000091671) never changes.

Identity and time

Publication numberOT-2026-000091671 · never reused
Internal UUID01a0ae9d-43b8-7ee6-b98a-31952cceb150 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091671
StatusPUBLIC

Content hashes

Canonical text6e077081b84665ee14c37be1e1488c712d5f39b292408617437be4ef7dca5bdf
Markdown6d076fefabb0d0538170a787ab8f41f3082ced970075e4acfa5eee0017df9249
PDF
Publication page9201f71bebfa0dac446f3efadf2c6cc0aae6ce829f8f4578658b8880c1ddf509
Manifest61d9f1aef1a794135a88025698cf3dba24847d51ba46d28acdadd98852c27994

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
SignatureWXObZp5vpX8+d4/OfdY0z7k1xx8DR7/bvAkjDK7tOZHAcPY3w8ZdjP/tLP0mJtuXnXiOfGSxc1TUFHk7lTkLCg==
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

2026-09-17T09:42:03.047575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091671
observed 9201f71bebfa0dac446f3efadf2c6cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.029311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091671/manifest.json
observed 61d9f1aef1a794135a88025698cf3dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.011856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091671/publication.md
observed 6d076fefabb0d0538170a787ab8f41f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.992939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091671/publication.txt
observed 6e077081b84665ee14c37be1e1488c71...
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.