OpenTechnical

OT-2026-000074348

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074348) never changes.

Identity and time

Publication numberOT-2026-000074348 · never reused
Internal UUID01a0ae93-7179-7e7c-9c24-d8f63168a3ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074348
StatusPUBLIC

Content hashes

Canonical text666ec95348ac161a30dd95bc14cbe6c8cfc4182d19f5d65884c72434c8394992
Markdown29e725e46c911688e3aee9789514af35ecbb1cd73ff9857a264f8c98194abe73
PDF
Publication page91c6e2f5acc0ff7f7fe639ec4bfd1593748a27266906f6d86ba27d5c5871d7ad
Manifest5a4926a43108f03eb3d581c71671a2004773b636289bfd768e24712a21009a24

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
SignatureodROgFQheFGP5UYcSafvtYSn51Xh/AvmT8DITku1zHIv3+ql09DpidmIKJ83rleFYxra+/F9zWup+SUVBPqqDQ==
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

2026-09-17T10:19:16.317406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074348
observed 91c6e2f5acc0ff7f7fe639ec4bfd1593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.298796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074348/manifest.json
observed 5a4926a43108f03eb3d581c71671a200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.280611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074348/publication.md
observed 29e725e46c911688e3aee9789514af35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.262145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074348/publication.txt
observed 666ec95348ac161a30dd95bc14cbe6c8...
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.