OpenTechnical

OT-2026-000050643

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000050643) never changes.

Identity and time

Publication numberOT-2026-000050643 · never reused
Internal UUID01a0ae82-c7b0-73d9-81b3-59d2a0c57bfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050643
StatusPUBLIC

Content hashes

Canonical texte585ee4ce391d7d6e77847e6e5b531b1a8d3225614ffbee3a03a584b232436a9
Markdownbdfbb6f609353bcd3bf0184fcb4e12d735b5f5ca81c24cc6aa5d8930a2245dd1
PDF
Publication pagea46ceacf6efee40a4dff69d1fb687533f2c1acb933a8ddf6fcc544edf66d1177
Manifest67faf62b79ae5d68de60b08227697e75273584019dc9e99987e8eb6965d25d13

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
SignatureBWXuL4tzKAgLQQlckzKCxd8mnMLO5124p9e4y2ZHbJSfpGbAENhyi1yW9AAWgkpoDma8uls5ypxxhtfB7Qg9Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:59:20.268786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050643
observed a46ceacf6efee40a4dff69d1fb687533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.250390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050643/manifest.json
observed 67faf62b79ae5d68de60b08227697e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.228233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050643/publication.md
observed bdfbb6f609353bcd3bf0184fcb4e12d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.207779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050643/publication.txt
observed e585ee4ce391d7d6e77847e6e5b531b1...
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.