OpenTechnical

OT-2026-000019412

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000019412) never changes.

Identity and time

Publication numberOT-2026-000019412 · never reused
Internal UUID01a0ae6e-f393-7b69-bd87-ffb5f7f5da1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019412
StatusPUBLIC

Content hashes

Canonical texte3d1dbd9332a66d2f48a1f74c8d6c6082a2c32aa1a995aa76ce72b36dd22379e
Markdown4a699271ae3f030fe0ee4567bd4323da23be510e7ea6f929118f6ef8a0ad5a2f
PDF
Publication page734cf9da8dd326d11901f7e13066cfaf880480c3559b0c1c9f746eb17527bd57
Manifestbf598990598cb446c44b0144a85be90f1d0aa80ad612c314692bc199e7825c70

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
SignaturerOtOYL/8KgGn09ks9TMaQ1J9d8uMqRLfvrTlhFdJZnyBv1OseW6LFpzOTZxRrYLjaSyuDIip511qwMVj2ahVCw==
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

2026-09-17T11:58:48.107095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019412
observed 734cf9da8dd326d11901f7e13066cfaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:48.087932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019412/manifest.json
observed bf598990598cb446c44b0144a85be90f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:48.070478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019412/publication.md
observed 4a699271ae3f030fe0ee4567bd4323da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:48.053462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019412/publication.txt
observed e3d1dbd9332a66d2f48a1f74c8d6c608...
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.