OpenTechnical

OT-2026-000029997

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000029997) never changes.

Identity and time

Publication numberOT-2026-000029997 · never reused
Internal UUID01a0ae73-ac49-7fbe-b919-8d95d3e9db72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029997
StatusPUBLIC

Content hashes

Canonical texta07ed66e7fbb33e9b1a5b29f942535c28bc07311ad2d285b3612c08e12c4d9d4
Markdown1dbcbdcc024377f7c02df8c793b790257c371af6ca4ce9e96320608eb219e8d1
PDF
Publication page3ec80cb388cc713f8f91c2d92d05e48b26a5ecd5a79a5397afab7e6a454a5b39
Manifestb287f720bc25de3669c9602a2650aa4e4ea9711b93dbe2b349e3834faba8560f

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
SignatureCTW+Btk+VX/iy849cFn6Q6yk4bLUh9V3ea7oSCK/TuFWRQg/xbwAyTMHgQZqPCd0FZ8TYbTI0wTRVjUPC7GCAQ==
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

2026-09-17T11:38:43.491470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029997
observed 3ec80cb388cc713f8f91c2d92d05e48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.473019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029997/manifest.json
observed b287f720bc25de3669c9602a2650aa4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.456758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029997/publication.md
observed 1dbcbdcc024377f7c02df8c793b79025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.437794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029997/publication.txt
observed a07ed66e7fbb33e9b1a5b29f942535c2...
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.