OpenTechnical

OT-2026-000015668

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000015668) never changes.

Identity and time

Publication numberOT-2026-000015668 · never reused
Internal UUID01a0ae6e-0c4b-77b6-98de-7c630ae8c247 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015668
StatusPUBLIC

Content hashes

Canonical texte1ef4a423df44c1ecef56e9d531e9e9e5c0d4e5137e454d51260a0009e3e4795
Markdown9b9cb04fe309a15c4468253a76a7611f4f1859300c27612c24fa7623f7e34a4e
PDF
Publication page1911b3a9956af74f29c7f772679841ca95a0397563e5af569195b5792289ce18
Manifestf7f5d5ce560e98d86b67414468efb43a2333450d8b8beb9297b12964b1e0b901

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
SignatureMyxXLeNitSi8LXb6aGZ7bZz9iaRbkvYaCeDQEfqPl4pbLglYobtAh0l2T3xEQWHMNfRujqVkJZcLTYGCJOOxDA==
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

2026-09-17T12:04:56.021009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015668
observed 1911b3a9956af74f29c7f772679841ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:56.002419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015668/manifest.json
observed f7f5d5ce560e98d86b67414468efb43a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.983892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015668/publication.md
observed 9b9cb04fe309a15c4468253a76a7611f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.965129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015668/publication.txt
observed e1ef4a423df44c1ecef56e9d531e9e9e...
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.