OpenTechnical

OT-2026-000064933

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000064933) never changes.

Identity and time

Publication numberOT-2026-000064933 · never reused
Internal UUID01a0ae8d-debd-7e3e-a1e2-d2433be01a82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064933
StatusPUBLIC

Content hashes

Canonical text84f1f4c98fc38077ad8efdc6770cc4ded5157422019a29ecbc3f04e3c4005fa2
Markdown26229b7203d50a1c3a64e7783c4384f56058381e17d75fb3c07d83d2a2c47365
PDF
Publication page9c65e66638b5e46263823b65c9f0f9304e5e5e21b4f7c0ceb24298e1d8ee8335
Manifest2b289b3da8710e3b2f6c75f0c8983bf3cc87c44b439abd55ec1ca9de87f6e498

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
SignatureLFR1DV6hJ2bjb63D9ED2lL+No3U9kMgGF+VFC58unvduP3sydapT48puC8GqxdJxsCc1HnSBnQxSMY3OD0R3Dg==
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

2026-09-17T10:35:52.212666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064933
observed 9c65e66638b5e46263823b65c9f0f930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:52.195828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064933/manifest.json
observed 2b289b3da8710e3b2f6c75f0c8983bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:52.178665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064933/publication.md
observed 26229b7203d50a1c3a64e7783c4384f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:52.161349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064933/publication.txt
observed 84f1f4c98fc38077ad8efdc6770cc4de...
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.