OpenTechnical

OT-2026-000104240

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000104240) never changes.

Identity and time

Publication numberOT-2026-000104240 · never reused
Internal UUID01a0aea5-3420-753a-9fff-be3cc2ef49c4 · 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-2026-000104240
StatusPUBLIC

Content hashes

Canonical text8d135d079ff0b7ce3495add06fd6ebd95c4880c49f913b244818b4c6384d7d70
Markdownb200397465c80333678a684287ef898ef97b536011626f13cb6ea5ee72cc4de6
PDF
Publication page30e333789da2dd684c9d1a96243da1db6e8eae7c403de448979b6805a5598436
Manifest68bc2ebd1224a37c732bab4dbb4b642670cf4fa65e27978a96f51a8fbc9e00de

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
Signature2z6VmnivH4xR9TC6Xx/LGL92Eqf31FWowd3rSuw0HyIPnVyswBuDtEkE393Y0yQKt7qCZvGtXKDYDKzOvgUIDg==
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

2026-09-17T09:20:20.942224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104240
observed 30e333789da2dd684c9d1a96243da1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.925364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104240/manifest.json
observed 68bc2ebd1224a37c732bab4dbb4b6426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.908508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104240/publication.md
observed b200397465c80333678a684287ef898e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.892589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104240/publication.txt
observed 8d135d079ff0b7ce3495add06fd6ebd9...
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.