OpenTechnical

OT-2026-000040733

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off after 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-2026-000040733) never changes.

Identity and time

Publication numberOT-2026-000040733 · never reused
Internal UUID01a0ae79-6d0f-7b30-93d5-b5e0e8fddd84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040733
StatusPUBLIC

Content hashes

Canonical textc2975b19d13e66a5433658e02b85d5d2d2a730a8f694114194f74b526e10c7ab
Markdown9a8bf797282314570fa27c9a981957c73f3da40e40c3e9958babae2cba13b129
PDF
Publication page76a6c96cea60e3afa5bcf9d75ec1b57b10fa46026e7f9d869ab86162acd4cda2
Manifest6f894a938b2ba36e116c50bf0e161ceb95de5ee789a2fe64b3dffa14cf1ff176

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
SignatureYHATwiGWzlPwGnjnxTF8XooUfAtR58CMVTGW0tGvX7plUqFQLSLlUc1FCPnRWT4KDe5wWY7chGn9W/WAloiEDg==
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

2026-09-17T11:18:00.288574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040733
observed 76a6c96cea60e3afa5bcf9d75ec1b57b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:00.272867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040733/manifest.json
observed 6f894a938b2ba36e116c50bf0e161ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:00.255018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040733/publication.md
observed 9a8bf797282314570fa27c9a981957c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:00.237994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040733/publication.txt
observed c2975b19d13e66a5433658e02b85d5d2...
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.