OpenTechnical

OT-2026-000082173

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, sustained blow-off before set-down

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-2026-000082173) never changes.

Identity and time

Publication numberOT-2026-000082173 · never reused
Internal UUID01a0ae97-4d93-7326-9e1d-0c4338a5d52b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082173
StatusPUBLIC

Content hashes

Canonical text7f9db994f5118a52f694d468e029d1a18c81bb303653146abb1fde4df09184b5
Markdownc1a391b6d5c30329e092b13ece01af84b50ee22807c887431c5c40c0024b563b
PDF
Publication page205e34dc1bcb7f37dfdb20d469a180abccffd13796a79c85197e3dfe63364dac
Manifest9183abc2c5a9cbd3dd2de4add92e5c3ef002c2b94757895c1f9c24707eee31fe

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
Signature54jOGsPl8xB2OQ0c3Ztk/O8LebvT+hU231Ve1ttxpa/i7jO8hWwHskYIOJZSedUcS6S3Lu/VNZdVNpqAnULbBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:59.976549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082173
observed 205e34dc1bcb7f37dfdb20d469a180ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:59.957978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082173/manifest.json
observed 9183abc2c5a9cbd3dd2de4add92e5c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:59.940963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082173/publication.md
observed c1a391b6d5c30329e092b13ece01af84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:59.923464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082173/publication.txt
observed 7f9db994f5118a52f694d468e029d1a1...
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.