OpenTechnical

OT-2026-000100135

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000100135) never changes.

Identity and time

Publication numberOT-2026-000100135 · never reused
Internal UUID01a0aea3-3052-7ea2-aaa7-e475f1b9b1e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100135
StatusPUBLIC

Content hashes

Canonical text507301046de0678e2f4a1c97934a55927a8f5450a53925e004fb8e428f89a1ac
Markdown408114317f55bff0a696a6d31eaae39949ff9fe6b24fa9f7f659be2126a5d479
PDF
Publication page5abaf5ab328eb716d7b1eb1a9776acc7fc4c8cc53ab43d43aeb4aca420043d16
Manifest7852ad2b33e05f796cc6a29c8943615ce4fb034e12d2cd1aebf5733ac07a447d

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
Signature7MCv5Y3pS+4yJ+1eLaD3RPwvv0duCMcvwWWP0/er4n/9md9FMFjTXb49EwMSXMSHJPRjrGjvSPIMfZ2BL7h/BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:50.165817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100135
observed 5abaf5ab328eb716d7b1eb1a9776acc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.144941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100135/manifest.json
observed 7852ad2b33e05f796cc6a29c8943615c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.123781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100135/publication.md
observed 408114317f55bff0a696a6d31eaae399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:50.102097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100135/publication.txt
observed 507301046de0678e2f4a1c97934a5592...
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.