OpenTechnical

OT-2026-000007465

Publication integrity record

Vacuum cup gripper, two zone face, six outlet manifold, pump fed, vented after set down

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-2026-000007465) never changes.

Identity and time

Publication numberOT-2026-000007465 · never reused
Internal UUID01a0a97f-cd3f-7f2f-a0f2-1e0a7cd4bde3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:15:20.258951Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007465
StatusPUBLIC

Content hashes

Canonical text695cc79a0a256380ced9990c6775d894338992885f44328d10112f7de39620c2
Markdownd344c257a82fe67e8f6be35dce2252d5d63aa74c52c10a6f513e148d63464f06
PDF
Publication pageccc4dddadfc1bd994f54df77771068e29ff860bb81d19a3f663dfa36e961f67b
Manifestf5020305c0eb949df52a68f2b952a6bc3fca92e931e6f075307c7a1b2efa9c3b

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
SignatureirF7tc/tbMHF7H1+eoD0CgCAwQf1pq0hb5k8DGFsVOwXQyN3yI5pM5Z8rNEQFKDQ4GhN9KbmB8CjFLQjHMgJBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:03.888347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007465
observed ccc4dddadfc1bd994f54df77771068e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.874247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007465/manifest.json
observed f5020305c0eb949df52a68f2b952a6bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.860527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007465/publication.md
observed d344c257a82fe67e8f6be35dce2252d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.846428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007465/publication.txt
observed 695cc79a0a256380ced9990c6775d894...
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.