OpenTechnical

OT-2026-000010599

Publication integrity record

Single cup vacuum gripper, two stage ejector, 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-2026-000010599) never changes.

Identity and time

Publication numberOT-2026-000010599 · never reused
Internal UUID01a0ae6c-0ee7-7775-ada1-5e578be60dfd · 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-2026-000010599
StatusPUBLIC

Content hashes

Canonical textb2af26406205ba437358f46931a851030402be29563d7443bffb4d0a01a71ca7
Markdownc932ccbf537e00bab712bb3093c9041d9aee3553e63ea3d35a0784bbdb669971
PDF
Publication pagecf4272b3cc69fc28364b65f403ba4f74436bf02cbba4f6524b8c883790e98609
Manifest767a2b49af0bb517b63d9b7c8dc737cf3b9a7137e5df5801d95e3cd666cc4be6

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
SignatureEFeKlEvjkXFWDvC1D16NNdxR4hw/rT19bvkmP1/0lHnmTZMfs3u/n6ur3wK2DtTVyJKiqExjsMVjfXqEgDJrAw==
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

2026-09-17T12:14:47.194642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010599
observed cf4272b3cc69fc28364b65f403ba4f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:47.173908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010599/manifest.json
observed 767a2b49af0bb517b63d9b7c8dc737cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:47.152889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010599/publication.md
observed c932ccbf537e00bab712bb3093c9041d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:47.131064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010599/publication.txt
observed b2af26406205ba437358f46931a85103...
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.