OpenTechnical

OT-2026-000102295

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000102295) never changes.

Identity and time

Publication numberOT-2026-000102295 · never reused
Internal UUID01a0aea4-50f3-7a6d-a446-27ce2611838a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102295
StatusPUBLIC

Content hashes

Canonical text35878b903764389f67a50b701dbe2a32fbb394385fe103a124554fe821624043
Markdown3c18342f8e9ac077d874380bb02e2f77ae7ffbabf70a0ee909d82756984de731
PDF
Publication pageff0cc222e5aa28daec67199f82cd85e492c637d0b0e4ed53fe18f1fb36efccd5
Manifest538b373de656e604a288b1a82825e67f8497fbffc79cd034efcf8b7f37a45260

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
SignaturexmFvJ+R/v2lhUd1AEYWFrQ+tRuBa5rxbr1Ivkp6JDN/9/c/HgxjgsN4xDnQePX3bLPPLEmorRQ3ocEgYRgqnDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:29.316445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102295
observed ff0cc222e5aa28daec67199f82cd85e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.297448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102295/manifest.json
observed 538b373de656e604a288b1a82825e67f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.277914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102295/publication.md
observed 3c18342f8e9ac077d874380bb02e2f77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.259538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102295/publication.txt
observed 35878b903764389f67a50b701dbe2a32...
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.