OpenTechnical

OT-2026-000014005

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, 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-2026-000014005) never changes.

Identity and time

Publication numberOT-2026-000014005 · never reused
Internal UUID01a0ae6d-8dea-7f41-a593-6ce8f81a2789 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014005
StatusPUBLIC

Content hashes

Canonical textebe8a1b720fad531b7102f328aa0ca5a3e5bd0a08b4f07982e32049e9953027b
Markdown489e1e00a63aa52c9703940a5c3dd8d0df6b1187bc6141a398f6c973199e33c8
PDF
Publication pagef636e6029c1183d2b6fbc8dd293650b0f7166bda4dc9a82c6fa6d8f1e23588e2
Manifestfd4a5729138e8b98e5a704819c2c7fefadc277d9b4269553fd1b9d38f377dfc8

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
SignatureyZCpukWJ572X9gErQgfq4RMY02Q7095EyWKKOFx4Bs1bZsDPZlP7tONDApvYSSFgJ952BjEw8xzxfcmwQJIDDg==
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

2026-09-17T12:09:13.703880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014005
observed f636e6029c1183d2b6fbc8dd293650b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.684888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014005/manifest.json
observed fd4a5729138e8b98e5a704819c2c7fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.666542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014005/publication.md
observed 489e1e00a63aa52c9703940a5c3dd8d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.647556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014005/publication.txt
observed ebe8a1b720fad531b7102f328aa0ca5a...
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.