OpenTechnical

OT-2026-000093298

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000093298) never changes.

Identity and time

Publication numberOT-2026-000093298 · never reused
Internal UUID01a0ae9e-0911-77a9-91ff-f0005ffb3898 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093298
StatusPUBLIC

Content hashes

Canonical text29ac51451a0ffef0867bb1abc18ff10158d6bb07e59d68705ef91e25dd2f5c7b
Markdownb2fbd4a08906274939ab16891195b05a417a636d7ebadb9670286c7872f69189
PDF
Publication pagec85cff3944315d04078f9825e2128ce4a8b8299649d9b0db5b27386aa7d13fd4
Manifest901861e917ad35dd56bcc01bc883da0791072404e01953fd0449d9d7fb47fbc2

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
SignaturehGjUZump+W97zaOQNlc6yqrW+ehuJYxVPTgtFG4t4KiempMBlmVWvpnTNbfFIOmlbUY0Jl54ySSa5ADpPHMjDg==
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

2026-09-17T09:40:40.485882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093298
observed c85cff3944315d04078f9825e2128ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:40.467197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093298/manifest.json
observed 901861e917ad35dd56bcc01bc883da07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:40.447097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093298/publication.md
observed b2fbd4a08906274939ab16891195b05a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:40.427471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093298/publication.txt
observed 29ac51451a0ffef0867bb1abc18ff101...
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.