OpenTechnical

OT-2026-000104048

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three 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-2026-000104048) never changes.

Identity and time

Publication numberOT-2026-000104048 · never reused
Internal UUID01a0aea5-341e-774f-85ae-af438b56192e · 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-2026-000104048
StatusPUBLIC

Content hashes

Canonical textf1ce182e751ad4cf94d4c8ec9924f4daf5a9b807644dd7e49d821ec96ad4e593
Markdown6ff58295233b8519ec413a32626f6a90554b02c12dbeaa1bd4d42787e7a31c3f
PDF
Publication pagec021168e110d5de984ca65a60db70a6084a6df1bf5a458cf2ffa81e0995835d0
Manifestf41b4aeec642c5892ef03a1a0fd26eba86e1b4c9c9bb49b4a13484c02f2fedbe

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
SignatureLIcu9iO0NYYUv3kxcQFMQTFMzWEekquCCWtkhleJTIiRY3fW9R0bHOyN4QAZ/Ya8WK/gLkyvtR0/Dn+BBhmXAA==
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

2026-09-17T09:20:06.906589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104048
observed c021168e110d5de984ca65a60db70a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.888527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104048/manifest.json
observed f41b4aeec642c5892ef03a1a0fd26eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.870834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104048/publication.md
observed 6ff58295233b8519ec413a32626f6a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.853364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104048/publication.txt
observed f1ce182e751ad4cf94d4c8ec9924f4da...
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.