OpenTechnical

OT-2026-000007134

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, ejector fed, rubber cups, oval form

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-2026-000007134) never changes.

Identity and time

Publication numberOT-2026-000007134 · never reused
Internal UUID01a0a973-e51e-7ef6-8364-8f5318011dfe · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:02:19.936829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007134
StatusPUBLIC

Content hashes

Canonical text6f1cd9af052479331fdd39e7d5c5bbf5b2a7439439744246db27c2e286063aae
Markdown3b419881b3dc46513d18a520471f5459f7b86e083a714e49f027bd3ca5a9e60f
PDF
Publication page0668310dad9964e4125a979783eaa834774ac844aee0e4f5f2cc9d7ea6e7acbd
Manifest91d7ba2c83e2406bf589bf6600cc6395036354238d635e0ed564138ae53cd92f

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
SignaturegluDOyEgTY8HA9gq+vZVO5gTAeBv/YISeB5zzueBkhJstdOolyhhaYlkRbnu0svleVx3DmoPukuQex8xH3M5Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:23.393649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007134
observed 0668310dad9964e4125a979783eaa834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:23.381157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007134/manifest.json
observed 91d7ba2c83e2406bf589bf6600cc6395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:23.245866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007134/publication.md
observed 3b419881b3dc46513d18a520471f5459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:23.233404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007134/publication.txt
observed 6f1cd9af052479331fdd39e7d5c5bbf5...
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.