OpenTechnical

OT-2026-000042801

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, sustained blow-off 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-2026-000042801) never changes.

Identity and time

Publication numberOT-2026-000042801 · never reused
Internal UUID01a0ae7a-c0d0-791d-b8ab-e426473adfca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042801
StatusPUBLIC

Content hashes

Canonical textcced4439c6ecf16d15df5b69c67a39199d2e18329b63ee197d5e5d25dd212029
Markdown2de3b332c6b6e3872f78067da1213a8fc91b7c3ac4ba858cb9e01b7efe25834f
PDF
Publication pagec9e7adb354746744eedc37db31da147afd935a79b9de12c95a5b2d5df3d73c9e
Manifest14872658eadd836cebfe8dffe08632b6c1a284e329d4d43470560ebd6adfcd07

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
Signatureh+VmEcjiHgeU2UY2cxglQNj6limg7NtGHgfZ1ae1+ItT4q0jjjdNhAYWLysdksmAg6f+rUx8PFpwaPWFJ2BgBw==
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

2026-09-17T11:15:16.322487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042801
observed c9e7adb354746744eedc37db31da147a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.302328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042801/manifest.json
observed 14872658eadd836cebfe8dffe08632b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.281271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042801/publication.md
observed 2de3b332c6b6e3872f78067da1213a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.260910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042801/publication.txt
observed cced4439c6ecf16d15df5b69c67a3919...
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.