OpenTechnical

OT-2026-000100866

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000100866) never changes.

Identity and time

Publication numberOT-2026-000100866 · never reused
Internal UUID01a0aea3-66f5-78c3-9cbd-cf85a49153a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100866
StatusPUBLIC

Content hashes

Canonical text9dbef1efe60f17cf45402a36051b9a49407069b9b9bb18569ed6eb2f01ab1db9
Markdown80ba6f769bc32188cd8d38cfbe53ad8354a4c19c00f81abeb4c1854bb8b087e5
PDF
Publication page519b87331da433c5ddd0e32f178f9c654b67d9eef5500b1141151c50e673fcaa
Manifest7aa58700b5a59f3601b663633845aa5abccc73c6ad63d848a40b26b22293e559

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
SignatureN2cP0iiZcVC0lO075JIU1YGzB54Fz3TCqmLQroulX5r/O3E/n3WXcfPRR7OSlJZzZd+UXs7dPXxA2T80tCnrCQ==
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

2026-09-17T09:27:47.922619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100866
observed 519b87331da433c5ddd0e32f178f9c65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.905156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100866/manifest.json
observed 7aa58700b5a59f3601b663633845aa5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.887487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100866/publication.md
observed 80ba6f769bc32188cd8d38cfbe53ad83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.868863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100866/publication.txt
observed 9dbef1efe60f17cf45402a36051b9a49...
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.