OpenTechnical

OT-2026-000064647

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000064647) never changes.

Identity and time

Publication numberOT-2026-000064647 · never reused
Internal UUID01a0ae8d-deb8-760f-b50a-01ca256afc06 · 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-2026-000064647
StatusPUBLIC

Content hashes

Canonical text516f0a4cc8ab9f948106b959041125c49a101f5bd71d61c5fd19d601b2497df2
Markdownde39894cbb6c8880a7739f3af0b6cfd7ccf0244381a6be4f526bf706aadbb43c
PDF
Publication page924c3452d9ce6938e6f9a0bded7c37e2e10ecb22a1824e751f73af3fd6331c5f
Manifest4c30c42b8267fc2b51215ee12b3a6935f0f98e85d7d51b1d8f71c99a30b3ce39

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
SignatureUQw6maVHTnHU6rSZvF8Oa7WI6x+wYQ4Hb0ybD9IkFpFggQMnbhEMGG9TabvG4KSGDzaM+AiPdJWHi05o3c+rAQ==
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

2026-09-17T10:35:26.005596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064647
observed 924c3452d9ce6938e6f9a0bded7c37e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.989813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064647/manifest.json
observed 4c30c42b8267fc2b51215ee12b3a6935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.972993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064647/publication.md
observed de39894cbb6c8880a7739f3af0b6cfd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.955523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064647/publication.txt
observed 516f0a4cc8ab9f948106b959041125c4...
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.