OpenTechnical

OT-2026-000010748

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, vented after 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-2026-000010748) never changes.

Identity and time

Publication numberOT-2026-000010748 · never reused
Internal UUID01a0ae6c-0ee8-77b0-9913-1ec8a65f56d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010748
StatusPUBLIC

Content hashes

Canonical textef54ebb2d777693965774050175a3708fdca6ce1b146fbbd384f4aa05fd78045
Markdowne18690ed8d4851c61100877203210c8110c2bd7f8a8d5a22e3b2c24809983c3b
PDF
Publication page26a60f1dd61f804816a29a9c3f7a4f03759405b8e69ec900e8b68f701111a6e6
Manifestedb21703db8abb20d4ae9f8c707c0761dd7cba7bc25b6366e23f3c6d30ce268b

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
SignatureN1KUQqx0gOMvbdmm3PH+dqv8Tp3Oon4OArARKOyUujgxcJFb3BeHA+xm0wJ9GjOiNlD02SwiI6N6Ei1akYZYBg==
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

2026-09-17T12:14:58.783274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010748
observed 26a60f1dd61f804816a29a9c3f7a4f03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.763581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010748/manifest.json
observed edb21703db8abb20d4ae9f8c707c0761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.745517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010748/publication.md
observed e18690ed8d4851c61100877203210c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.727810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010748/publication.txt
observed ef54ebb2d777693965774050175a3708...
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.