OpenTechnical

OT-2026-000092340

Publication integrity record

Four cup vacuum gripper, four zone face, single 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-2026-000092340) never changes.

Identity and time

Publication numberOT-2026-000092340 · never reused
Internal UUID01a0ae9d-875b-7513-bebc-cf92bb809868 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092340
StatusPUBLIC

Content hashes

Canonical text89ceb93ac862c608cef1d738d0d82f58a01267e31747aaf1f9fc17bc94b73465
Markdown0e6c94d5fe32673a3a62140dc597aa79ce97e8212dd1296ec5ee6b7fc74ec40d
PDF
Publication page7c6df49bf81b206b3b09548850911e8cfc17f72648adaf8c0c5f152a8a208017
Manifestee6ced6c8f591cb41d99918c2d2a0f1a04f4927b9163443d3677781f5be68551

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
Signaturev9Jd45OrjoxnRfZ4w27lg5EZgxGlJ8ZdP+UxwwGBRCPEe97dpxCDYbJVk5dxXkQ7fWg9KOtSrPpLY5QE6FB+Bw==
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

2026-09-17T09:41:53.342109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092340
observed 7c6df49bf81b206b3b09548850911e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:53.325938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092340/manifest.json
observed ee6ced6c8f591cb41d99918c2d2a0f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:53.308001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092340/publication.md
observed 0e6c94d5fe32673a3a62140dc597aa79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:53.290588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092340/publication.txt
observed 89ceb93ac862c608cef1d738d0d82f58...
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.