OpenTechnical

OT-2026-000078878

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000078878) never changes.

Identity and time

Publication numberOT-2026-000078878 · never reused
Internal UUID01a0ae95-ccbd-76b5-9dde-848edb071371 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078878
StatusPUBLIC

Content hashes

Canonical text4448db22a7a9b4d7a3fb4f947a9bdec504d45e3a3e069a5875e12fd6f3ec892e
Markdown59842f947e3f3bcb67334dd6884fbae7b2fce0aa01b54b2b15550a2e3a1408ff
PDF
Publication page54a98476e1ec4beaec91495a154d18a876da00a0cdd5a21310d443f730ffa3a7
Manifestb290d0281fe0be21d7b27b9294bde031ffe0a9868af289a0a2ace6d0f451940a

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
SignaturelbWPrxDynJTogvtgDTOs2zw1d4IzXCKgpR0ryhf25ZZB1OD5ENtqxXwpXG6NtknT5J65aoDuIVr6HQ7tT/TuCg==
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

2026-09-17T10:05:40.913565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078878
observed 54a98476e1ec4beaec91495a154d18a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.895308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078878/manifest.json
observed b290d0281fe0be21d7b27b9294bde031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.877578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078878/publication.md
observed 59842f947e3f3bcb67334dd6884fbae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.858949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078878/publication.txt
observed 4448db22a7a9b4d7a3fb4f947a9bdec5...
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.