OpenTechnical

OT-2026-000011386

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, vented after 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-2026-000011386) never changes.

Identity and time

Publication numberOT-2026-000011386 · never reused
Internal UUID01a0ae6c-88fe-7634-8f3a-0f78fd844572 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011386
StatusPUBLIC

Content hashes

Canonical texta9b31eff9fb358b1e10f405a0ab4924b8a5c4f643a179f1b460124353ee022f0
Markdown9bb14e736587ed49665fc0d65249b948f18c26e79ae4e3e837eaf51edd96a5bc
PDF
Publication pagec819cc164da326fa9166acc205c8a23ec6161a6729ace0cda96c1c8a886f1d37
Manifestad1aa6c6d15b7b80d92fb8dfdb3d90a6ba6a0ae07c013e21053d3fb155910c04

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
SignaturesIpIk01iXNOd+ftWx7vSxMIa/lBRnnH0vmPCcV2ruEvtKRt0Rr7QAyr/t7+rjhARiZVGinrytjsTOgX3yUm+BQ==
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

2026-09-17T12:13:07.800518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011386
observed c819cc164da326fa9166acc205c8a23e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:07.780535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011386/manifest.json
observed ad1aa6c6d15b7b80d92fb8dfdb3d90a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:07.760505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011386/publication.md
observed 9bb14e736587ed49665fc0d65249b948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:07.739751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011386/publication.txt
observed a9b31eff9fb358b1e10f405a0ab4924b...
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.