OpenTechnical

OT-2026-000017455

Publication integrity record

Four bellows 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-2026-000017455) never changes.

Identity and time

Publication numberOT-2026-000017455 · never reused
Internal UUID01a0ae6e-76c9-7791-bde7-6f83cb0bae99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017455
StatusPUBLIC

Content hashes

Canonical texta240f8b6feb0503e85a5318994f6fe91f5e346cd40cdaec706fab40587170dc7
Markdown580722bb3802e912aea28c7e52b1cf9200df2beb8ba6c9f5c000029a3d571c43
PDF
Publication pagec8b5e4a21b69e9a66a38f2413f8d9ede960430f5dc9c2dc958c4d0e40a1ece3a
Manifest3ab753aeabdb7d940a5a713bf4ce8616a3da22e1931231290ba885a961eb8c32

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
SignaturenBSmSvl1zUYYVyjuVfQQKJvngPBLlMfKN5s+VDixBZIyvbEbhDgZokU64IDOJAwI3DrxXzZWPF2WacogIzyWAA==
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

2026-09-17T12:02:35.570783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017455
observed c8b5e4a21b69e9a66a38f2413f8d9ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.551936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017455/manifest.json
observed 3ab753aeabdb7d940a5a713bf4ce8616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.532912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017455/publication.md
observed 580722bb3802e912aea28c7e52b1cf92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.513300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017455/publication.txt
observed a240f8b6feb0503e85a5318994f6fe91...
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.