OpenTechnical

OT-2026-000045575

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000045575) never changes.

Identity and time

Publication numberOT-2026-000045575 · never reused
Internal UUID01a0ae7d-8f02-7291-a343-ffd94065e219 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045575
StatusPUBLIC

Content hashes

Canonical text53d4d2c0ee25153e3754b84ba0c4b4849e6c11e916bac1125af9fae5644ffea8
Markdowneb8d4f16c8bded184be450ac8b757f30e18ba4811215e35487d848ba988d0882
PDF
Publication page2201fb886f63df405c6620b4d86efe157bc67a8d1a067ff915169b9fd641fabc
Manifest1a2666277abfd5f194c2b6fc223c5ce44d14816daca69329ad4b4a8cec7cfe74

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
Signature7kFcISO3hGtCj6xFrnJnFgZqzxMHuEYsF6syN0D8ctDvyWwIKZpgNzLAomwAlR0kgtPdVupxWtyw3+LLYA9hDg==
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

2026-09-17T11:09:20.293444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045575
observed 2201fb886f63df405c6620b4d86efe15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.275287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045575/manifest.json
observed 1a2666277abfd5f194c2b6fc223c5ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.256934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045575/publication.md
observed eb8d4f16c8bded184be450ac8b757f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.237875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045575/publication.txt
observed 53d4d2c0ee25153e3754b84ba0c4b484...
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.