OpenTechnical

OT-2026-000069968

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000069968) never changes.

Identity and time

Publication numberOT-2026-000069968 · never reused
Internal UUID01a0ae91-1860-7021-b9ca-445dfadea6b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069968
StatusPUBLIC

Content hashes

Canonical text70cd5fa7ee71a053d69c3b2a10aa6c79ac71c4299bd502775e20c54919e83071
Markdown4d8514a1fc71e94ca8da32b98548944daeb764446edfe0ad4e75e28e2e57cdf8
PDF
Publication page40d033214bcf4111a3171e8c173f6ec61203d0cce3b1f560961869c6e43c8732
Manifest529270efdfa6f0a113b5a38f27e2f56d536ae8432c5c2c21f87d88860e9e38d2

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
Signaturenzl40N2neN0utX2UoifYDt0aW769IJ0uIuBwlc5wLAaFrUN60ZFP73Zzgga1z7uletSn7SUWgfAdyL6ja7HlCw==
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

2026-09-17T10:26:54.612309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069968
observed 40d033214bcf4111a3171e8c173f6ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.594916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069968/manifest.json
observed 529270efdfa6f0a113b5a38f27e2f56d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.576538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069968/publication.md
observed 4d8514a1fc71e94ca8da32b98548944d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.558656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069968/publication.txt
observed 70cd5fa7ee71a053d69c3b2a10aa6c79...
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.