OpenTechnical

OT-2026-000097736

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000097736) never changes.

Identity and time

Publication numberOT-2026-000097736 · never reused
Internal UUID01a0aea1-92f5-714e-89bf-3ff95b85feb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097736
StatusPUBLIC

Content hashes

Canonical textedc4cd25bb1b188e38cafd66e838fc880e60cefcfc9aedc568a2f303b122c268
Markdowne7e0113c40eee130272f794a2d9259feb2e85270504b52210cfe0653e3bde6eb
PDF
Publication page717aa4036c344f2e23cc020a5eff51c117d148c76f08f528dffb341ed21c5f5b
Manifest0cd7ab45c872d47a82e2ece1c9cef00ff1072666776789bc94fe0d4d57fe0932

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
SignaturelieY/cjih0+NTqmEQQveihCtsUY1JgK/OYji89GCqKIaqnLMGz741Guc9L5aRWrU4CBHxdlyKU0mkbE+fmHYCQ==
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

2026-09-17T09:32:46.820847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097736
observed 717aa4036c344f2e23cc020a5eff51c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.794891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097736/manifest.json
observed 0cd7ab45c872d47a82e2ece1c9cef00f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.771665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097736/publication.md
observed e7e0113c40eee130272f794a2d9259fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.745096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097736/publication.txt
observed edc4cd25bb1b188e38cafd66e838fc88...
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.