OpenTechnical

OT-2026-000064441

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000064441) never changes.

Identity and time

Publication numberOT-2026-000064441 · never reused
Internal UUID01a0ae8d-a461-7340-9a78-655bf855d614 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064441
StatusPUBLIC

Content hashes

Canonical text36b90c25a0be3b5d4ce31256da5981085c68429ff67bc7afd897e4e466288cf8
Markdown2f4fd85f0cc294ccf3fdb3bcd8c57a17ca4f127c5e22f927be8025ea111f9038
PDF
Publication page3c8415786657911cc4170aa2ecefe510c45756525a0ddcca10f6c7491f700980
Manifest876c77dbb04ff8b7018b35acbea7b47e759bf21af6b37d419fff5b3a2c8be172

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
SignatureDx9jlTMCnggtgm7VQSifP/tCzlOOpNwVRQR7rV591II3q/28qgD24PIWkzSVeJM/qLvlBGEXecFbLUEMdEemBg==
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

2026-09-17T10:36:37.618099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064441
observed 3c8415786657911cc4170aa2ecefe510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.600953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064441/manifest.json
observed 876c77dbb04ff8b7018b35acbea7b47e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.583897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064441/publication.md
observed 2f4fd85f0cc294ccf3fdb3bcd8c57a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.566319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064441/publication.txt
observed 36b90c25a0be3b5d4ce31256da598108...
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.