OpenTechnical

OT-2026-000006396

Publication integrity record

Vacuum cup gripper, four zone face, two outlet manifold, ejector fed, contact triggered, rubber cups

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-2026-000006396) never changes.

Identity and time

Publication numberOT-2026-000006396 · never reused
Internal UUID01a0a959-8518-78d5-a21b-af6b0970ae9a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:33:31.419692Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006396
StatusPUBLIC

Content hashes

Canonical textd704a0bf92eb2df539ffc98f7e26994c036ba088b6f30618cf941a62b8b197c7
Markdown6ebc2b3cf7bb2dfa4e906c16489598f63124cc1966183d7184710651a7f81792
PDF
Publication pagecc5f224f02704ff9e5d2607e87961d0214ef2c1a7c89467c8810d477ee53dfdf
Manifested97cecb2dc56d6bcc16dc95aec045e1d970c090dfca7d58381a5e10c2440cad

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
SignatureHrnKxJWkUbtzbUiaZ2RRSfDeKDopnatXw4Lx4ODRiY7yWtTtI9cvFIgN0DJbzD2lySoGbVkOfyOHY85/qpzRDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:22.411836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006396
observed cc5f224f02704ff9e5d2607e87961d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.397508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006396/manifest.json
observed ed97cecb2dc56d6bcc16dc95aec045e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.383350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006396/publication.md
observed 6ebc2b3cf7bb2dfa4e906c16489598f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.247029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006396/publication.txt
observed d704a0bf92eb2df539ffc98f7e26994c...
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.