OpenTechnical

OT-2026-000104081

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000104081) never changes.

Identity and time

Publication numberOT-2026-000104081 · never reused
Internal UUID01a0aea5-341f-71fb-8d43-024c7df5cd52 · 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-2026-000104081
StatusPUBLIC

Content hashes

Canonical text6e761da733e9071141d26165e4a45c6100d9baf14aab648b1f54867873298399
Markdown36c6474000681228e323ba330fa32c2c708b7a94b8047f21532e876e07f803e8
PDF
Publication page22704785afaaba4dcb0f14056c4faccff7eff9d4e2a94c6aafd962aed70e1136
Manifestd4f57994d282e37275d53e1bb5103779a2ba8ad4e8489c07678b6cd4bd829a87

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
Signature3PGtoXY/mFB6Stn4zgHVstg3g6TLq7T40nQcHzRO4QfWLHQJ6bbhDSHWC/+hV5bQWVS9VczpQzXNoTYVft4rDg==
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

2026-09-17T09:20:08.955517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104081
observed 22704785afaaba4dcb0f14056c4faccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.936852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104081/manifest.json
observed d4f57994d282e37275d53e1bb5103779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.919810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104081/publication.md
observed 36c6474000681228e323ba330fa32c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.904298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104081/publication.txt
observed 6e761da733e9071141d26165e4a45c61...
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.