OpenTechnical

OT-2026-000010534

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, vented 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-2026-000010534) never changes.

Identity and time

Publication numberOT-2026-000010534 · never reused
Internal UUID01a0ae6c-0ee7-7b15-a31c-2bf7098e9a89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010534
StatusPUBLIC

Content hashes

Canonical textb1033497dade265820a76f5966a9a698c00fdfea1a77737ad8ce0b2d8a610723
Markdown7222b5d6b2427e1eab9d272a258b67d41d28df9c9019124c2357c8d9f0afbfbb
PDF
Publication pageee658b2e65d3f9599ccb2be4e2b2696cd6e915fa1fe0d4adfe12ab00e83e5974
Manifest78a1fddc9ec2a3f419365e43b18f2a232eadbdd315b82cb3d8a77c5a895386e9

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
SignaturetFNJP/W4VgXG+3etJDvGF/JhlgDZmu6fSNBxggBWMmWSzAYUJFoBzsqQm8+5KLpxLHpcmSi0Ps4Ew4ajQ33/Cg==
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

2026-09-17T12:14:41.771422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010534
observed ee658b2e65d3f9599ccb2be4e2b2696c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:41.753474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010534/manifest.json
observed 78a1fddc9ec2a3f419365e43b18f2a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:41.734478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010534/publication.md
observed 7222b5d6b2427e1eab9d272a258b67d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:41.714734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010534/publication.txt
observed b1033497dade265820a76f5966a9a698...
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.