OpenTechnical

OT-2026-000029736

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, sustained blow-off before set-down

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-2026-000029736) never changes.

Identity and time

Publication numberOT-2026-000029736 · never reused
Internal UUID01a0ae73-5e23-78ac-afdb-4fc9f447d922 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029736
StatusPUBLIC

Content hashes

Canonical text3786b1acc4f4527d5825e67b8feec091b63505a7d404a2c2bca07eb5c1858c18
Markdown9ca0e6652e702f53e0ec2c2cadc15e91f6964bddf57190acebbc715b003eec98
PDF
Publication page50baf3a7806b193671a4c8a4bd46f5aebe57ed92c0748a97c360486b719bbed1
Manifest0f57eac9300662b238ee2b06ffca81084f8482684c416929c3541f07c06ad537

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
SignaturejrmmpyCtTAzeXqqntRzn4fGMMc4xBUd0TfYDe38eE5C3pAB19jxxrSZJ+06W6LVfMB8GUnYgajsHYiimYVpfDA==
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

2026-09-17T11:39:29.560459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029736
observed 50baf3a7806b193671a4c8a4bd46f5ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:29.464578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029736/manifest.json
observed 0f57eac9300662b238ee2b06ffca8108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:29.445778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029736/publication.md
observed 9ca0e6652e702f53e0ec2c2cadc15e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:29.422097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029736/publication.txt
observed 3786b1acc4f4527d5825e67b8feec091...
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.