OpenTechnical

OT-2026-000031007

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000031007) never changes.

Identity and time

Publication numberOT-2026-000031007 · never reused
Internal UUID01a0ae74-3fb7-7f5a-ada8-e633b4b88170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031007
StatusPUBLIC

Content hashes

Canonical textdf7627b69381a89c9d86171a7b2de4a68744c889a80d797d3011e7bb9c3f17cd
Markdown110a7e7adbfc534c71b0a8b0668115f2bc4a511a2d4de723cd9657e5098bfafe
PDF
Publication pagecfb454d9a4b2ff5a5c9f0574af10c49f137b79792400c83d25f5cbccf1cc3f15
Manifestbe319623a9b20c1bc4474eba312f86054e8cb6b0f329fcf4f435349e524eda68

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
SignatureGACapcLJWKzHZChPf/rUt9PsqQZJB40opeczqh1EmYhaq4avLr2Si/ea0oAXkXP1tQV1nWmjQcz2eG4Q9rOKCQ==
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

2026-09-17T11:40:05.718153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031007
observed cfb454d9a4b2ff5a5c9f0574af10c49f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.700550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031007/manifest.json
observed be319623a9b20c1bc4474eba312f8605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.681088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031007/publication.md
observed 110a7e7adbfc534c71b0a8b0668115f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.663454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031007/publication.txt
observed df7627b69381a89c9d86171a7b2de4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.824101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031007
observed cfb454d9a4b2ff5a5c9f0574af10c49f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.806209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031007/manifest.json
observed be319623a9b20c1bc4474eba312f8605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.789847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031007/publication.md
observed 110a7e7adbfc534c71b0a8b0668115f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.773955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031007/publication.txt
observed df7627b69381a89c9d86171a7b2de4a6...
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.