OpenTechnical

OT-2026-000006379

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, four outlet manifold, ejector fed, plastic 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-2026-000006379) never changes.

Identity and time

Publication numberOT-2026-000006379 · never reused
Internal UUID01a0a958-e80b-707f-90d0-10fa83e099b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:32:51.213611Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006379
StatusPUBLIC

Content hashes

Canonical text33df735a95b076a1577928b720257f61e1aa04da91bcc27c64ba92ec175a4dcc
Markdown8c9cb6e2025510cd2304a97d851f7719e7870feaf8301128db1c9cbd380f0d81
PDF
Publication page55cfea5d10c9018d455b1b95e03c3bc28aaa9545bac05c609846d1459bb003d2
Manifestbaca66bbd39ab289251e11bc54f4773e1ddf06f6e5036a663085ac7093c1fcdc

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
SignaturebwtDpbIjNeW6sHr8t3NDGWxwop7fJkVbbmoKMMzzuiowUjUhr6/teJ1TL65bK2xgDggUazLw55W3hFpQ1OAyBg==
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

2026-09-16T08:40:24.672501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006379
observed 55cfea5d10c9018d455b1b95e03c3bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.658758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006379/manifest.json
observed baca66bbd39ab289251e11bc54f4773e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.645651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006379/publication.md
observed 8c9cb6e2025510cd2304a97d851f7719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.632588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006379/publication.txt
observed 33df735a95b076a1577928b720257f61...
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.