OpenTechnical

OT-2026-000082722

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000082722) never changes.

Identity and time

Publication numberOT-2026-000082722 · never reused
Internal UUID01a0ae97-8cc8-739c-825c-cfd02e4d6da3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082722
StatusPUBLIC

Content hashes

Canonical text2c46d847e3e9104c3944ca2e8f44de5aa0f6e2138c31ad286170fdde71e63ea7
Markdown0de74e5524733b443ad17b54792d4e34310139ee53381ab4ef9609e15f775e0d
PDF
Publication pageabf0ccc33699858f7e117528705ef42991ce0c3670efd72020dff31cceb1e8e7
Manifest4e105ba139ca6cd2f82a0c5a87604ed300dabac9fcd2a1e089a6275693f9b3fb

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
Signatured+3mp1xrmqoXZQoMXg0u7MeOlwZyLxNo35K9trUucyJUXQZ7c5TufD5SOnhnrOKKDARGiIZeCWQ0gS/mXZoDDQ==
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

2026-09-17T09:58:18.010665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082722
observed abf0ccc33699858f7e117528705ef429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:17.993450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082722/manifest.json
observed 4e105ba139ca6cd2f82a0c5a87604ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:17.975785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082722/publication.md
observed 0de74e5524733b443ad17b54792d4e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:17.959847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082722/publication.txt
observed 2c46d847e3e9104c3944ca2e8f44de5a...
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.