OpenTechnical

OT-2026-000011943

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000011943) never changes.

Identity and time

Publication numberOT-2026-000011943 · never reused
Internal UUID01a0ae6d-1942-7b61-8dc2-95ee0818ae39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011943
StatusPUBLIC

Content hashes

Canonical text762377df21629be7d058051928cb44777c86ecaa2cc22f1b298d9a073edce521
Markdown566ba266983f2d6c3e6dad994959759ed4aa224bced1e4de9a4f7dd9c7cd7670
PDF
Publication page132660de67651b0226f462ad6ba8171201250d52efec672fa4d187538b7795ce
Manifestcd4fe649700e7eac25768745b2d9182356cb992f492f2a6482bda35433ef4147

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
Signature9B3AlsynWwdpqODK3WS2F7elCdvclRLuBxTTHwUDCI5aPoA6fiqjDuf+/YfHIpT5gvIMfiGRUQenfXHBLKmbCA==
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

2026-09-17T12:12:10.548406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011943
observed 132660de67651b0226f462ad6ba81712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.530742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011943/manifest.json
observed cd4fe649700e7eac25768745b2d91823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.500096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011943/publication.md
observed 566ba266983f2d6c3e6dad994959759e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.468197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011943/publication.txt
observed 762377df21629be7d058051928cb4477...
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.