OpenTechnical

OT-2026-000050145

Publication integrity record

Single cup vacuum gripper, three stage ejector, vented 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-2026-000050145) never changes.

Identity and time

Publication numberOT-2026-000050145 · never reused
Internal UUID01a0ae82-5c45-7f7f-9783-e8bd11df775e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050145
StatusPUBLIC

Content hashes

Canonical texta5420a71ff0fd46fba8bfbb68c480c9202dfc162631d28b1528dc4e231580d9a
Markdown18ce6c92f1e96ae773a11662801f5acd64eec4f6b14234496b7ce7127caaa507
PDF
Publication pagea3877a6712af4c888bed764a92bde54c1c81e2ed747c397c02e1903b675f7a25
Manifesta9e1621a5b04b8b602400d56a21213b8972d8dc87ca39b659937b6ab11e2177e

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
SignatureSgOxd/SG2GkMY3JVL89Dh7kEvvzurKnR4GBH1q0rXn76/fdLjxgJsUvrbPnyYTnR9VQSyL1vJnG6uGaz8GG1CA==
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

2026-09-17T11:01:07.000310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050145
observed a3877a6712af4c888bed764a92bde54c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.982515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050145/manifest.json
observed a9e1621a5b04b8b602400d56a21213b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.965514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050145/publication.md
observed 18ce6c92f1e96ae773a11662801f5acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.947581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050145/publication.txt
observed a5420a71ff0fd46fba8bfbb68c480c92...
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.