OpenTechnical

OT-2026-000075303

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000075303) never changes.

Identity and time

Publication numberOT-2026-000075303 · never reused
Internal UUID01a0ae93-f200-7f34-8612-917b55a595b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075303
StatusPUBLIC

Content hashes

Canonical text6809d3849a1f6f21a9ba1135d5fcc6514e1dad84392f27aa7d251872c8718f32
Markdownc9725be0521d39642af11d62fb361dfebf78dd11ddadec226e531baeb178a3a3
PDF
Publication paged7f8cd49a52a251c690cdc1e395337d670acd34a42538f08dfa0e455de9abe52
Manifest720d2cc7a7d2ed6ce63d9590ee359f446ae2693ac4f236a461013cf5b49c856f

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
SignatureFzGNci5jjtlHh/vpJ9wFMKb5CrfJj8PsG+fhjiEEsjKVHiYLJwpnJkGkWsR4K+O9cY5kkn4nv1GYysPAEUfqCw==
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

2026-09-17T10:17:06.039957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075303
observed d7f8cd49a52a251c690cdc1e395337d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:06.022501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075303/manifest.json
observed 720d2cc7a7d2ed6ce63d9590ee359f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:06.003909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075303/publication.md
observed c9725be0521d39642af11d62fb361dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:05.984542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075303/publication.txt
observed 6809d3849a1f6f21a9ba1135d5fcc651...
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.