OpenTechnical

OT-2026-000023621

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000023621) never changes.

Identity and time

Publication numberOT-2026-000023621 · never reused
Internal UUID01a0ae70-aed3-7460-813c-396bc610eae3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023621
StatusPUBLIC

Content hashes

Canonical text3b8c771f401df5bac0083136338c648b1b5b9b130b90e08bde1555138ed728bc
Markdown9f27f60a27c96969cf6d1b421d18dfc7c354479769bc713cf2516863215856cb
PDF
Publication pagef8b48987b5c67c7e8b4a3e41e0eec19a51f9e3a2b139ab21e4dad4121b7eccec
Manifest333984c71f218dad17d56072cc1e1a1c069a5137e94c2067a68dbadbd8517d2c

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
SignatureaphHAlwS1U7Oc12nyHo566IVcjSSB9F9szvm+dROZ1HOi3WIuxlgeu2HsqIHjb88yBk6UsfyMlxu3NtFUZaKDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:49:49.562869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023621
observed f8b48987b5c67c7e8b4a3e41e0eec19a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.546569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023621/manifest.json
observed 333984c71f218dad17d56072cc1e1a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.529839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023621/publication.md
observed 9f27f60a27c96969cf6d1b421d18dfc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.513692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023621/publication.txt
observed 3b8c771f401df5bac0083136338c648b...
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.