OpenTechnical

OT-2026-000103165

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump 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-2026-000103165) never changes.

Identity and time

Publication numberOT-2026-000103165 · never reused
Internal UUID01a0aea4-be3e-745c-9b8c-56d4affa3010 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103165
StatusPUBLIC

Content hashes

Canonical text12a9a56f0e02b4ad8cab8b088921c2d2f2d5b3a04e42d705ce74740a4ebaa23d
Markdowna67eb68ed150fef0595bf2f83c1c5cf9528a18af60c3aae73bd2d60acbffde52
PDF
Publication page165cdb04fa3384151368f55803eda9e0416168e16bebb112cacb613267bd0304
Manifest576a6f3c09afe0ebad0c4110d89078fb1a655286cf5403a8de4b325d46182b22

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
Signature5/ye/enoCajskvz5/O76mVFkHGxvgB64u2ss/In01icIj3YpOVWzcxJmbZA1CmvIlWtOmYmcwKaVdP6bV2KrAg==
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

2026-09-17T09:23:22.845919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103165
observed 165cdb04fa3384151368f55803eda9e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.828047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103165/manifest.json
observed 576a6f3c09afe0ebad0c4110d89078fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.810857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103165/publication.md
observed a67eb68ed150fef0595bf2f83c1c5cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.793625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103165/publication.txt
observed 12a9a56f0e02b4ad8cab8b088921c2d2...
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.