OpenTechnical

OT-2026-000095723

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000095723) never changes.

Identity and time

Publication numberOT-2026-000095723 · never reused
Internal UUID01a0ae9f-fac5-7333-9ad6-b470c0606f54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095723
StatusPUBLIC

Content hashes

Canonical text7059b17181efe59cf772e9138f560c22f304680c5d5144c92cde105029ffb089
Markdown14e7ef5ab1235cebc7272fc68f313358b370c38407130a78f508f2eed4c43a66
PDF
Publication page243c0a1d15863499b08d1ed8d1699a02c05ce4cb2f846ce024d43272750d5e41
Manifest3a3d7097556ccfe47437f3fd1efac37dd0f30cf68d1cfb7ab43a20ccc77e6045

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
Signaturei8Bflocj85czI3qimXxXnwHX8kU/sL1W80CLKnVurXjMsKWnPf+zvvWdvnO8l890/TdJbr/aoIAY/I0ooS9lAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:16.953690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095723
observed 243c0a1d15863499b08d1ed8d1699a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:16.936437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095723/manifest.json
observed 3a3d7097556ccfe47437f3fd1efac37d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:16.917572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095723/publication.md
observed 14e7ef5ab1235cebc7272fc68f313358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:16.900217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095723/publication.txt
observed 7059b17181efe59cf772e9138f560c22...
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.