OpenTechnical

OT-2026-000040786

Publication integrity record

Foam pad vacuum gripper, single stage ejector, sustained blow-off after 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-2026-000040786) never changes.

Identity and time

Publication numberOT-2026-000040786 · never reused
Internal UUID01a0ae79-6d0f-7e93-ad16-14d33e6d6381 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040786
StatusPUBLIC

Content hashes

Canonical texte85cf7fff013052d2239efd01be80abd3b03948c28e64ec45b0a5e7e37b6a775
Markdown7f9886c5a996c46ee25646fde275f2003b3ecb73252bc86986f9741e940ac6c1
PDF
Publication pagebb46f5633e215218b3b3f1d97ed1ba012694f5ad06be11176f655fe8e3f58060
Manifest64fa97c7ea771a78fafffbc25cd92a29ef69dd14bb2cd3b7d4b24243d1aa5130

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
SignatureQgtt0bmQjIZ67s5oA6rjnPfTliJSRbDJ87+msBo39RGbc4iBgLQc31tzsRaDXs7776uyfenkm+nVZoyZk7ZnAw==
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

2026-09-17T11:20:05.415187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040786
observed bb46f5633e215218b3b3f1d97ed1ba01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.397541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040786/manifest.json
observed 64fa97c7ea771a78fafffbc25cd92a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.379770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040786/publication.md
observed 7f9886c5a996c46ee25646fde275f200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.363438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040786/publication.txt
observed e85cf7fff013052d2239efd01be80abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:33.281798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040786
observed bb46f5633e215218b3b3f1d97ed1ba01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:33.264988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040786/manifest.json
observed 64fa97c7ea771a78fafffbc25cd92a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:33.248119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040786/publication.md
observed 7f9886c5a996c46ee25646fde275f200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:33.231230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040786/publication.txt
observed e85cf7fff013052d2239efd01be80abd...
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.