OpenTechnical

OT-2026-000069165

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000069165) never changes.

Identity and time

Publication numberOT-2026-000069165 · never reused
Internal UUID01a0ae90-6dcf-72aa-9c74-05d3055be266 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069165
StatusPUBLIC

Content hashes

Canonical textab4f2afdbdee27d550569295549c069c614d854b9c6d6a1d696bdb4a131527c3
Markdownbbce6a3b6ec5f53a026c363651978668583ff2074eded952e83271373b82fcaa
PDF
Publication pagec3b8e2e3f06e78b71f17d0cc6167d7d87a1c7e146b5d101de1c19ebd05c76964
Manifest7283b2e20a09cb98e33b63c2ddba360f3d0d5be0e6deb0c4c2d18da27ec7564d

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
SignaturePZxk56FZIv2y7tWQenPczQsj0YxTDuBv5qImZLhSuA5UoRmH0eIifV9pDoSqwkK5n7qA6WpFthhq5z/7V85QBQ==
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

2026-09-17T10:29:03.202468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069165
observed c3b8e2e3f06e78b71f17d0cc6167d7d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.185560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069165/manifest.json
observed 7283b2e20a09cb98e33b63c2ddba360f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.167471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069165/publication.md
observed bbce6a3b6ec5f53a026c363651978668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.149000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069165/publication.txt
observed ab4f2afdbdee27d550569295549c069c...
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.