OpenTechnical

OT-2026-000091407

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091407) never changes.

Identity and time

Publication numberOT-2026-000091407 · never reused
Internal UUID01a0ae9c-f16d-7e12-a3f7-335de8183396 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091407
StatusPUBLIC

Content hashes

Canonical text7c9395b073580a0809a6663a44e9d95c8cd8a1abe242cf648b270e1e14a538f5
Markdownfb427ddd0e1fc367b536340f5add52e954cd08222688dc2967cda10ddf7ca717
PDF
Publication page9c446c97959ed57bbf8d874df2783a1a856d23a348d653d223b2a00c8a455703
Manifest9d57c4af7eb366d0aa78ccbcc4bf05f31a195ca4832de988f319454c37259b25

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
SignaturefMHHI+Ti0NuEd6bPCZUCAIyArqyCGy0utT7iYljsbQ09BZgS/hcKoVM3riSvRw5dIxxQ1p7ySgEWqkpiYxNsCA==
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

2026-09-17T09:43:38.376680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091407
observed 9c446c97959ed57bbf8d874df2783a1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.358850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091407/manifest.json
observed 9d57c4af7eb366d0aa78ccbcc4bf05f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.340312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091407/publication.md
observed fb427ddd0e1fc367b536340f5add52e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.320337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091407/publication.txt
observed 7c9395b073580a0809a6663a44e9d95c...
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.