OpenTechnical

OT-2026-000050341

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000050341) never changes.

Identity and time

Publication numberOT-2026-000050341 · never reused
Internal UUID01a0ae82-5c47-73ed-9a66-4a7600033636 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050341
StatusPUBLIC

Content hashes

Canonical textb70777c770673fad1b46fb01abc2bb0e3db54dbfcd24ea3bed1ea820149070bc
Markdownddd217e6427b0b944506b634787b4a7c3abb361412351e12ba7c59b36385929c
PDF
Publication page78128249e9f7418a0d22e991e4da4eaa5aac71831befc8d7a1298cb6d06304cf
Manifestbf0e774fcfbe0adc0f0611057cf52f07ca30cbd6b763d27385f11e710e5d9742

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
SignaturePv7Axa6whbgWf/o9B0f2/el2B36854R5rjYCNgEFpkzCp84fpPc0xBQCoW8ljzY8SjrwQ9VeO4oA7eH2LrKMDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:22.132848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050341
observed 78128249e9f7418a0d22e991e4da4eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.115111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050341/manifest.json
observed bf0e774fcfbe0adc0f0611057cf52f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.098931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050341/publication.md
observed ddd217e6427b0b944506b634787b4a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.081151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050341/publication.txt
observed b70777c770673fad1b46fb01abc2bb0e...
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.