OpenTechnical

OT-2026-000084295

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000084295) never changes.

Identity and time

Publication numberOT-2026-000084295 · never reused
Internal UUID01a0ae98-5b61-7992-9731-3654985fbd80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084295
StatusPUBLIC

Content hashes

Canonical text755f905f0e55ed14431fec99cd95449da2cecc10b831ab3a8db177ef0419f060
Markdownc963c7787694e5c8ad187d224fd919fee457d18c3560cc61c933b4d6a58b43b8
PDF
Publication page230fa9f482a9ec75d6e82ff4273f8fcbc6a9d6a6d56c8352ce3cc41bf12cb5f2
Manifest036708b99511a09275f73fb5529262f0b8ac494b28fb421f7475a800aa53ad44

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
Signature8zqI1IzWD+Dg5Wyo2ek1Fmpzk4gHOmv3a7/B5znA4JCGsK6FFE9cosjYVIFvVoEpXA07HRqeAVf/SP7MxsUaAQ==
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

2026-09-17T09:56:00.922625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084295
observed 230fa9f482a9ec75d6e82ff4273f8fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.903096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084295/manifest.json
observed 036708b99511a09275f73fb5529262f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.883388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084295/publication.md
observed c963c7787694e5c8ad187d224fd919fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.864809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084295/publication.txt
observed 755f905f0e55ed14431fec99cd95449d...
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.