OpenTechnical

OT-2026-000104195

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000104195) never changes.

Identity and time

Publication numberOT-2026-000104195 · never reused
Internal UUID01a0aea5-3420-7d46-9a25-248182e70a6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104195
StatusPUBLIC

Content hashes

Canonical textc17696a1cc991535234b7c2c9f55488e5df9d8660d1370f4690654d0668d358c
Markdownb862b465d228a0bf0c340d57dfb4adb03ba0976793b668143859cefbe460ed8c
PDF
Publication pagec85dccd67ed790ec3707ea2aee44b0d3ded3929fb869f23d0ca28c9b37c25b27
Manifest919c17186ffd71a6d36511dc282baebc7c1ef4283d715c7b1ba96d87d915817a

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
Signaturez7bLKYTYQx4VVpsuWFJYE3+f8k4uj8SUB5GNs1b5PFFjVWd7SJZGYQtA4nlLK64xHp6lEKZE2KOhRWokLnKMAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:17.562600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104195
observed c85dccd67ed790ec3707ea2aee44b0d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.541865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104195/manifest.json
observed 919c17186ffd71a6d36511dc282baebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.524218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104195/publication.md
observed b862b465d228a0bf0c340d57dfb4adb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.505703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104195/publication.txt
observed c17696a1cc991535234b7c2c9f55488e...
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.