OpenTechnical

OT-2026-000082181

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000082181) never changes.

Identity and time

Publication numberOT-2026-000082181 · never reused
Internal UUID01a0ae97-4d93-7cc6-bcc4-d1944a186d48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082181
StatusPUBLIC

Content hashes

Canonical textd174e6b4e795218134f9be8ec4ac9da44f9bbe9a555151ba8aff6a934521afc9
Markdown32edf49dfc9040a6bc5c0717cc072787870c4bdd4d4a01e9270431691d49aa0c
PDF
Publication pagee09e126724f720b24f356bcf274e844a4301759af8111a27df2f8830ec1a8142
Manifest2ea2322f0da9efce9d6dab5d77e62edf24cbcf38f69e7292f78ac8c57d756abc

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
Signaturepd/Z+U5Dt4YA1lHnKpxcLhiqYR04zE9kOzG+FJL9Qm3lZ2as33xbniWIjTQCtd4ceLuVzhpcaH+qXM5MtsXiDg==
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

2026-09-17T09:59:00.541695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082181
observed e09e126724f720b24f356bcf274e844a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.524535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082181/manifest.json
observed 2ea2322f0da9efce9d6dab5d77e62edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.508216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082181/publication.md
observed 32edf49dfc9040a6bc5c0717cc072787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.490470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082181/publication.txt
observed d174e6b4e795218134f9be8ec4ac9da4...
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.