OpenTechnical

OT-2026-000012841

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, pulsed 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-2026-000012841) never changes.

Identity and time

Publication numberOT-2026-000012841 · never reused
Internal UUID01a0ae6d-5563-705e-8df4-e9f83b202e79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012841
StatusPUBLIC

Content hashes

Canonical text0304fb251536d72f9cc7328523767f829b2108291b3ffd632e0e0d0d6ef9fc6e
Markdown6c0485ed7d2fc5610403b1c4b94debf086cc738693412d62356b2bb4f5e06ff8
PDF
Publication page1dc3dd677da19b80aa1f6506e62a38d8c1e82c730cc79affb144c256690780cc
Manifeste58d4af8d9da0aa87eff9a15f8ff70acde005a168a93987eb8b9c66ed473f611

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
SignaturedLxJG9W1yOs1Is4lB5uIjVk98NlgwQ6tzjEWeFPntu4FOjOxgBXv4/6AxQyksGOcdbyMX/1mtdizMlYk2hSmCQ==
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

2026-09-17T12:10:36.499510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012841
observed 1dc3dd677da19b80aa1f6506e62a38d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.480649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012841/manifest.json
observed e58d4af8d9da0aa87eff9a15f8ff70ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.460291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012841/publication.md
observed 6c0485ed7d2fc5610403b1c4b94debf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.440435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012841/publication.txt
observed 0304fb251536d72f9cc7328523767f82...
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.