OpenTechnical

OT-2026-000104091

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000104091) never changes.

Identity and time

Publication numberOT-2026-000104091 · never reused
Internal UUID01a0aea5-341f-7b58-be48-0ae04326f9fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104091
StatusPUBLIC

Content hashes

Canonical text0de5bed093d957fb89067028444a15a8b6c05fe70c2bd55430571cc0789e3876
Markdownf5ce6ca757e3753cb599861f0e8da8f53052adb02cb004fa36fdd42006607682
PDF
Publication page88df3f30e76fc0255dc6fae45461ff793e1fd68aa6f2594bb915184b9e77bd8a
Manifest7fde12048003735134fc918ff30d8c6ea1dab2114a0875fa4a64fdb690c7824d

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
SignatureevAweDyHwKzPnaP7/B5IKe/hLiaUE4Jd/FCWDnQKc+MNej+auU0oXjSBwC43e50rN1W5A5RLfvmeWqWmzpkNCg==
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

2026-09-17T09:20:09.674155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104091
observed 88df3f30e76fc0255dc6fae45461ff79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.655708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104091/manifest.json
observed 7fde12048003735134fc918ff30d8c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.636024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104091/publication.md
observed f5ce6ca757e3753cb599861f0e8da8f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.617814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104091/publication.txt
observed 0de5bed093d957fb89067028444a15a8...
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.