OpenTechnical

OT-2026-000025091

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed 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-2026-000025091) never changes.

Identity and time

Publication numberOT-2026-000025091 · never reused
Internal UUID01a0ae71-2729-7a6b-9fc2-31a08417f1e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025091
StatusPUBLIC

Content hashes

Canonical text687085902b2889c0e750cf4341f3793ea717388253b67f381d0a19213924e749
Markdownf77030ade35f8db4cf5dea82ee10f044f809119d2835b7f72021d81eef246d87
PDF
Publication page20eb3b5e46ab44204163d870098c1e24ef1332026c7dbc27394af4551c8ff559
Manifest22e1817088759f91c6051322fe6ae4b3ece096508872c0c24b77fa7c97dff465

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
SignatureQQihI8/UqsXvQv8LWBHcyyJcogXJRRfNAge5RICgb0L6cLBvR8XU4kyhXg69XaKoKBAzeJyj9p7jHNQt0kQyBw==
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

2026-09-17T11:48:30.614844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025091
observed 20eb3b5e46ab44204163d870098c1e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.597848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025091/manifest.json
observed 22e1817088759f91c6051322fe6ae4b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.577914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025091/publication.md
observed f77030ade35f8db4cf5dea82ee10f044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.558393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025091/publication.txt
observed 687085902b2889c0e750cf4341f3793e...
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.