OpenTechnical

OT-2026-000030940

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000030940) never changes.

Identity and time

Publication numberOT-2026-000030940 · never reused
Internal UUID01a0ae74-3fb6-79c1-ab56-893c0445b976 · 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-2026-000030940
StatusPUBLIC

Content hashes

Canonical textfd990015bc820bb8fed219961bd83c17ea5d2330506e8272f6d20656028ee260
Markdown67d5405fa0a27e9f5819744ed37169ac34dde38f6ecaa52e0aca824aba42bba5
PDF
Publication page6cd54b64ad769e740926c0906c5bf302a1de567024ea08f7be09fae16618272d
Manifest9f4a7d7773fe3cfaf61fdd68e235a810c88e7a935386c4dead7d7f0cf0fd2f59

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
SignatureLQDvevZZ0BqwFwjQjs9oLyoGhTffK0vSjNVEofw5hv/WV0mLPno8XZaxPTbQ1XJekLtCHZYj7UEWXIe0fEiSAg==
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

2026-09-17T11:36:56.253705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030940
observed 6cd54b64ad769e740926c0906c5bf302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.236106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030940/manifest.json
observed 9f4a7d7773fe3cfaf61fdd68e235a810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.217543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030940/publication.md
observed 67d5405fa0a27e9f5819744ed37169ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.198513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030940/publication.txt
observed fd990015bc820bb8fed219961bd83c17...
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.