OpenTechnical

OT-2026-000095674

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000095674) never changes.

Identity and time

Publication numberOT-2026-000095674 · never reused
Internal UUID01a0ae9f-fac4-75c7-9984-d19ed650ba8e · 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-2026-000095674
StatusPUBLIC

Content hashes

Canonical textf1bde5934e60c7df8829f58154c6bfeeef7231b5ccf1fe36bfdcc3735dcd4f5c
Markdown6f092dbc9c0b4f5cb1991faca6562fb01d81eff69f330376bfdd7637181abef4
PDF
Publication page3a8192f8c3452e12cac384054c414dfe13f0bcd9d62c5fe844648acaf0efd453
Manifest4c517a490e284339a0b0328166f06cc759fe20cc29db2b9108b02d5403aade83

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
SignatureuuXPs2F4yyY00PMqZXlQz58TsVqeweR0/DQGVOO4hSe3qyqJjkRRxyT8GMeIubUu/WX4XxZNyqNkv4UrZbKSBQ==
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

2026-09-17T09:35:08.929618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095674
observed 3a8192f8c3452e12cac384054c414dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:08.912996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095674/manifest.json
observed 4c517a490e284339a0b0328166f06cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:08.895404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095674/publication.md
observed 6f092dbc9c0b4f5cb1991faca6562fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:08.876991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095674/publication.txt
observed f1bde5934e60c7df8829f58154c6bfee...
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.