OpenTechnical

OT-2026-000083380

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000083380) never changes.

Identity and time

Publication numberOT-2026-000083380 · never reused
Internal UUID01a0ae97-c964-74d1-ad75-a7a0cdc879a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083380
StatusPUBLIC

Content hashes

Canonical text8cdd85385bae82a6dd56788b6d98246f0dfa60fef87394d626be18b1ff4fbf49
Markdown25f7568b3e82bd0995109a554c08ddbfd29dad578f42f34c4b60e9a0f90b69f9
PDF
Publication page5795bf418a8da75fdd407d578bedb7f3dda7a5043f125e7c21b1a9cc14520750
Manifest5d0ae881c4ae646c7c8a428f7b5d93b3fef97ece2e4cc8828bfa534aaa6c909c

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
SignatureWf5tADFHYKLV165EErh3krywx7zVUDQzXX0IvNKMQqer3DYVHFd3/4oqxB46KlaAmPpw9k9U+9QXwZLBKLbOAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:49.181811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083380
observed 5795bf418a8da75fdd407d578bedb7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:49.151229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083380/manifest.json
observed 5d0ae881c4ae646c7c8a428f7b5d93b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:49.123331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083380/publication.md
observed 25f7568b3e82bd0995109a554c08ddbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:49.092639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083380/publication.txt
observed 8cdd85385bae82a6dd56788b6d98246f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.088381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083380
observed 5795bf418a8da75fdd407d578bedb7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.073785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083380/manifest.json
observed 5d0ae881c4ae646c7c8a428f7b5d93b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.057938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083380/publication.md
observed 25f7568b3e82bd0995109a554c08ddbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.043443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083380/publication.txt
observed 8cdd85385bae82a6dd56788b6d98246f...
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.