OpenTechnical

OT-2026-000045568

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed 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-2026-000045568) never changes.

Identity and time

Publication numberOT-2026-000045568 · never reused
Internal UUID01a0ae7d-8f02-792c-952c-68829c245f41 · 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-2026-000045568
StatusPUBLIC

Content hashes

Canonical text3c7bab8689975dad2f32c78c01706ea893de0117c104b1537a93b74be7639514
Markdown735240b75d0d57e8f0704e982eb83c0ee6848d4ff4d0dc683c20a621caae4a90
PDF
Publication page8a1ffacc0773823af18e40f0138cd4a7da4d1e49ce5a61579cf8a248f30a018f
Manifest9ec8e3cd7b0e6fe44b2634cf2d1d86fd21a662af1f9cf1f660c9e501f0a86127

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
SignaturevHMKrnnI+ltn4+Nf7PPeQ7cBdiaVtfLWmZQr67XxpbOfX/S6AOovpVUthy+AeAWvtczfV++nEW2y4NGR1o83Dg==
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

2026-09-17T11:09:19.692026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045568
observed 8a1ffacc0773823af18e40f0138cd4a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.675563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045568/manifest.json
observed 9ec8e3cd7b0e6fe44b2634cf2d1d86fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.658161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045568/publication.md
observed 735240b75d0d57e8f0704e982eb83c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.638149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045568/publication.txt
observed 3c7bab8689975dad2f32c78c01706ea8...
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.