OpenTechnical

OT-2026-000007012

Publication integrity record

Vacuum cup gripper, four zone face, ejector fed, vented after set down, silicone 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-2026-000007012) never changes.

Identity and time

Publication numberOT-2026-000007012 · never reused
Internal UUID01a0a96f-7e49-724f-bbbf-0c74d1c5edb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:57:31.467560Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007012
StatusPUBLIC

Content hashes

Canonical textef04c0b740110909685dba1d91bf049d495c1efe6689ceed1f60dada4ea40de2
Markdowne3dd2833d2dbbad235262a1d68c6d7f031e7692577915f4591ad0bf2a6001834
PDF
Publication pagef6016d8542f64ddf37620553677f30929a104a2bf10dd37a8bf3076c7dfa5d96
Manifest56290d095029192f19fcd58f5cf20cc351f41a27d29807d37d9c9c84539b859b

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
SignaturejltECa3EbxjUJ9kmKVXucaQMl8Yw5UvlsoETCtsHZGuKdyXzXK+q1pe7FeVhZbo2vX/noF3uxByXiE+WDLSCBQ==
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

2026-09-16T09:00:11.928341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007012
observed f6016d8542f64ddf37620553677f3092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:11.907067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007012/manifest.json
observed 56290d095029192f19fcd58f5cf20cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:11.893162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007012/publication.md
observed e3dd2833d2dbbad235262a1d68c6d7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:11.879742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007012/publication.txt
observed ef04c0b740110909685dba1d91bf049d...
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.