OpenTechnical

OT-2026-000075572

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented before 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-2026-000075572) never changes.

Identity and time

Publication numberOT-2026-000075572 · never reused
Internal UUID01a0ae94-29fc-7e60-95a0-3973658ace54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075572
StatusPUBLIC

Content hashes

Canonical text6ef678a8dd08fe500b41825e4f523117ba8b136e191c12af5c13e7e8b351d52b
Markdown22f9ca096f24a5824079d472a4857accdecd43b91058a173b8c545cbc0d564ad
PDF
Publication pagea235a3e7c15395979528f816ffd7e0f87d0cf0e93946352586953d9c0f10af2f
Manifest5ade62c2891bee100775731aaa62110ea1d697a14a184c277cc9da9429412b99

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
SignaturetkaTclnwIRAcgwM6NvzQfafR9ecSlextlcgh9TfD8q8zTL+x+cTVHdiFoNfQzORSbWh1XGltZgffU3Y6ncaaBw==
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

2026-09-17T10:12:59.734258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075572
observed a235a3e7c15395979528f816ffd7e0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:59.714399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075572/manifest.json
observed 5ade62c2891bee100775731aaa62110e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:59.492726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075572/publication.md
observed 22f9ca096f24a5824079d472a4857acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:59.290212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075572/publication.txt
observed 6ef678a8dd08fe500b41825e4f523117...
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.