OpenTechnical

OT-2026-000103666

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pulsed 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-2026-000103666) never changes.

Identity and time

Publication numberOT-2026-000103666 · never reused
Internal UUID01a0aea4-e462-78e4-8ec5-7320c641ca7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103666
StatusPUBLIC

Content hashes

Canonical textc0c21afac019a9232cb7e10b0df10406f8285aa4a2016844c2c1f594e8c2394a
Markdown6d5b162dceb79e7b64c09fcecb2d6e5db52089ba66e699408e7c0e827b755824
PDF
Publication page512161a5cd0872b725632d6fb14db162ba239fe0bcc82102dbb46257f554b5ab
Manifesta3267e80042edfb626e0726158af3a5772a957a3a2794a67f7b92a34ae17bb86

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
SignatureU7AqX3qs6D4qwygO+vv2IQMFKlGflfMOWCnNOGw3BVza3aP6XKUTM76ZnE/CDt4AtevvUNjohxqSoChmIFcvDw==
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

2026-09-17T09:22:28.022993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103666
observed 512161a5cd0872b725632d6fb14db162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:28.006083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103666/manifest.json
observed a3267e80042edfb626e0726158af3a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.988626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103666/publication.md
observed 6d5b162dceb79e7b64c09fcecb2d6e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.969929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103666/publication.txt
observed c0c21afac019a9232cb7e10b0df10406...
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.