OpenTechnical

OT-2026-000004268

Publication integrity record

Bellows cup vacuum gripper, two zone face, per zone isolation, ejector fed, contact triggered

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-2026-000004268) never changes.

Identity and time

Publication numberOT-2026-000004268 · never reused
Internal UUID01a0a912-e457-7e4c-a4c9-187e7456bbde · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:16:22.746283Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004268
StatusPUBLIC

Content hashes

Canonical text40f1ab6d11e6bfe81071accda365c9c4a8f4ae1e7637d075a0d8766a9f2afbcc
Markdowne68d212564f57946e4decda9d84316015d0e3fe014f12c844d7a341d7106e8bc
PDF
Publication page52064a207623ac7e47f1d6c240ca9bc297aef4c8a7b6cb4488a26f5883366f46
Manifest1cac43c3b4eca94851cf28ff822f2a525d107d93ad146d1168d52bcc0c617290

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
SignatureLe0mcSQXr1KHZWpyCzO/14SVXrbKq/D64XLOx9V+WhUukIUZWXVkiGZkLIIGYvce2/PwzjMLaNvsKoLLIfEGCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:17.153544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004268
observed 52064a207623ac7e47f1d6c240ca9bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:17.140290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004268/manifest.json
observed 1cac43c3b4eca94851cf28ff822f2a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:17.127001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004268/publication.md
observed e68d212564f57946e4decda9d8431601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:17.000240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004268/publication.txt
observed 40f1ab6d11e6bfe81071accda365c9c4...
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.