OpenTechnical

OT-2026-000067112

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000067112) never changes.

Identity and time

Publication numberOT-2026-000067112 · never reused
Internal UUID01a0ae8f-14ff-7252-9ee8-5116a196cbe6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067112
StatusPUBLIC

Content hashes

Canonical textd579c115b80c1466b459c0fc9a7f5b6dd08c541fcecfc2c179aa57e7a96032cb
Markdown5b01b6c8f18ba97ec2dbc0b3c3e30648c7417ef6edd973d08dc5c16cbcb596d8
PDF
Publication pagee94a52386a47985b9143a0845dfaebd72c09006bbe97716074759ca560c049dd
Manifest3415028b773aa61976c8378af59034d30ade43b83cbe09a4eecaa089b2b90f5d

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
Signaturef+5ldOBv8Dpn8T1Z1PWBATEZVl58Z1iuWqsctDFmX61knXbor++yp1km6/zaq9ZnNsrubnFh+pSp0UZ+7TOGBg==
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

2026-09-17T10:32:22.924861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067112
observed e94a52386a47985b9143a0845dfaebd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.907483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067112/manifest.json
observed 3415028b773aa61976c8378af59034d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.890036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067112/publication.md
observed 5b01b6c8f18ba97ec2dbc0b3c3e30648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.866065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067112/publication.txt
observed d579c115b80c1466b459c0fc9a7f5b6d...
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.