OpenTechnical

OT-2026-000030623

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000030623) never changes.

Identity and time

Publication numberOT-2026-000030623 · never reused
Internal UUID01a0ae74-3fb2-727a-9e02-81036549b390 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030623
StatusPUBLIC

Content hashes

Canonical text6c8b3220354f1cf534fee16f3579aae5fba6b8828028328981cf0bceca97ba4e
Markdown56039fde93825e3cd240911f87a06b9ad827d2307bcd5af3f6a73395977d317e
PDF
Publication page37eb3fa109ad3d49332fd046d079c14f5bf31d6154bb4dec5fef0babe8f9c005
Manifestbb5c07dec46d7303d157d94faad10c8601b18d8f8a3acafc98efed303760058a

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
Signature64Uyz0DnILYKf7mdQX4syaGJdSGOqBCfG0GI5qJ3XvUpnjHmBJM+SdD9EhHDwcEd6hPTwLEBlQ9QXSFQsVnZBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:29.530135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030623
observed 37eb3fa109ad3d49332fd046d079c14f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.507729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030623/manifest.json
observed bb5c07dec46d7303d157d94faad10c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.487810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030623/publication.md
observed 56039fde93825e3cd240911f87a06b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.468942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030623/publication.txt
observed 6c8b3220354f1cf534fee16f3579aae5...
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.