OpenTechnical

OT-2026-000098649

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000098649) never changes.

Identity and time

Publication numberOT-2026-000098649 · never reused
Internal UUID01a0aea2-42ad-765c-a560-79c4e4d82964 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098649
StatusPUBLIC

Content hashes

Canonical textecd91e862dc72150da80037aaba4b7d3a8b44034728f442d7914c7565d2d9b29
Markdown539544cdfb800f2e237cfd2ac73ad492c5ede64e965d34f13537afab2e0664c8
PDF
Publication page2d1b9fda7796060176217dd4980170708623b1d8b7db38b6090e859ac113acb2
Manifestbc82419308f72fea878470dfcf83b76de509c90ce15d23bcfc04ff37cbcb70c0

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
SignatureZF9udwhVKfrz6Jjp4oeFMwcj5msv4OrCM4/Ta5o26LWFYzaLbiWw6KE3wRgmXRJPXxYD6uxNI02n9R0Mr7DFAA==
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

2026-09-17T09:30:56.617384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098649
observed 2d1b9fda7796060176217dd498017070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:56.599924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098649/manifest.json
observed bc82419308f72fea878470dfcf83b76d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:56.583891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098649/publication.md
observed 539544cdfb800f2e237cfd2ac73ad492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:56.564141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098649/publication.txt
observed ecd91e862dc72150da80037aaba4b7d3...
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.