OpenTechnical

OT-2026-000083751

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000083751) never changes.

Identity and time

Publication numberOT-2026-000083751 · never reused
Internal UUID01a0ae98-0417-7a32-95ef-4602e489ed44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083751
StatusPUBLIC

Content hashes

Canonical text89079742f86e2aac074061f6e05aa82c8b0914c1bd9bf330125c94c6a890db5e
Markdown5f603a77b57f64c2d1a61f02960104c15cb9c41b8682ee496d72a62d785c8a7b
PDF
Publication page6ba4e7d6429b1b1413e739c373904a60be5889c568cb792d241fc2e6e2388dda
Manifestc6b298efe589c5b13581fc5061b5e3a37beea39be50ff8cc25f347d7c3336405

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
SignatureCPYQDVXRlk+p/Q6fTZ4ib5i3vvTZcyzufMSmE5cgpp5oKDHFaQ8eQuYgIUIKd7pAokyryJRAS9n/QkVpQO6WBA==
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

2026-09-17T09:57:23.357665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083751
observed 6ba4e7d6429b1b1413e739c373904a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.339105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083751/manifest.json
observed c6b298efe589c5b13581fc5061b5e3a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.322167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083751/publication.md
observed 5f603a77b57f64c2d1a61f02960104c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.305481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083751/publication.txt
observed 89079742f86e2aac074061f6e05aa82c...
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.