OpenTechnical

OT-2026-000050313

Publication integrity record

Single cup vacuum gripper, two stage ejector, vented before set-down

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-2026-000050313) never changes.

Identity and time

Publication numberOT-2026-000050313 · never reused
Internal UUID01a0ae82-5c47-7643-8d52-c511dfc260c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050313
StatusPUBLIC

Content hashes

Canonical text8e15a2257e1194401fa289782a7058eceb74c79d9177d4b98b43cf640651ba99
Markdown490a3a48319420df977ad6816b2a1ecf511875bc3c8eff7fe920f004aa968510
PDF
Publication pagec5541289f9b278d55709491a19ea30a827eceededd9630ddb1ce34295a3561ee
Manifest926962bf5d7eec2c34f76c74fae5cdb0e3da8b818394ce53c83cb7b2edbc54ac

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
SignatureY6MmRlHagsqNDUxVTNZg29oDCAinl+VfhDz+sQWLKjvPBZJ9Yn299uwMXQgpYYqu3ZmLambQSz+VEQwapzDcBw==
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

2026-09-17T11:01:19.456364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050313
observed c5541289f9b278d55709491a19ea30a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.438915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050313/manifest.json
observed 926962bf5d7eec2c34f76c74fae5cdb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.421144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050313/publication.md
observed 490a3a48319420df977ad6816b2a1ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.405049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050313/publication.txt
observed 8e15a2257e1194401fa289782a7058ec...
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.