OpenTechnical

OT-2026-000081942

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000081942) never changes.

Identity and time

Publication numberOT-2026-000081942 · never reused
Internal UUID01a0ae97-0f76-7a2d-be0c-4445ce0c4227 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081942
StatusPUBLIC

Content hashes

Canonical text65576f34899e01097db42c51481c8c8eba610d9bda4a787db0ceb44c47436c5a
Markdownfac8b75f4e552300c7f77d1a72834d1defacb11cda3a9117fc090d398aee6348
PDF
Publication pageb4ea14b4c64fa6297d0f69827b82d7e914f8b3c3089ad4010ebc637eb6946d8e
Manifestcc35eb97c3c29340ca70b952cb8539fc16899b369144bd174c2a83406e0cda56

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
SignaturexN+Nl1V4GMxBvPijqfoDmyOqcsPvF5mLoACF8eCsm4Jn5VXNPJHpWHoaiAHulrRIBqf3edmqdRdlDROjCKZ2Dg==
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

2026-09-17T10:01:04.539191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081942
observed b4ea14b4c64fa6297d0f69827b82d7e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.523811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081942/manifest.json
observed cc35eb97c3c29340ca70b952cb8539fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.506766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081942/publication.md
observed fac8b75f4e552300c7f77d1a72834d1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.488333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081942/publication.txt
observed 65576f34899e01097db42c51481c8c8e...
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.