OpenTechnical

OT-2026-000082107

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down

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-2026-000082107) never changes.

Identity and time

Publication numberOT-2026-000082107 · never reused
Internal UUID01a0ae97-4d93-7540-9e84-38af57c47875 · 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-2026-000082107
StatusPUBLIC

Content hashes

Canonical text16121808a5fa4d83ba54c38614d36c53c84723130bdf66dc7712adca8dff3506
Markdown20ca738176b49722170845580f3cb8f9e0c21b3f742b375405d4cae9f5c160be
PDF
Publication page7c02bca8f6863c3f693d534f9e1c0bb4c45b08de6406b87b587a1b2e1aa42672
Manifest289cfefba2abf89e6cedaf868ecd14c88255e26cb350e88f5722370608506d6d

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
Signature9BJGk8mJBM3H3Rpg5s3HUi9yj3YD7bioe/7UBzc1p4MJZK8nweiXlm/9xSVTjgxKZfUppMqFnhUl1tvVmXXiBg==
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

2026-09-17T09:58:55.009635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082107
observed 7c02bca8f6863c3f693d534f9e1c0bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:54.992365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082107/manifest.json
observed 289cfefba2abf89e6cedaf868ecd14c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:54.974734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082107/publication.md
observed 20ca738176b49722170845580f3cb8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:54.956540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082107/publication.txt
observed 16121808a5fa4d83ba54c38614d36c53...
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.