OpenTechnical

OT-2026-000046515

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000046515) never changes.

Identity and time

Publication numberOT-2026-000046515 · never reused
Internal UUID01a0ae7e-57dd-7e08-abeb-7cb5af0bc73c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046515
StatusPUBLIC

Content hashes

Canonical texte3dca6bfcfdc1c577208fb6e6b27c0a87a54baeaa4d26cc2e8f253cc23d34e95
Markdown2e6129c044ae592087249d27fe8458c30f9671f22c0619067094ad200d833096
PDF
Publication pageb593b4042201016b23c6a04137b1c8539a77d6626dd4a8f1932398a2e2d39221
Manifest9665883093d8c270899271f820266f5ed3cc2920c27903262d8f8b91bda73ffc

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
Signaturew0ZaFDPQAF7J1uyyZZ0u27qiJd8Egckyk6dNVvgA8W2NqgsX3/xhkiNRn7wmVjPrYklCkQcS9hd+go0z6jz1Cg==
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

2026-09-17T11:08:33.653910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046515
observed b593b4042201016b23c6a04137b1c853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.634862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046515/manifest.json
observed 9665883093d8c270899271f820266f5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.616067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046515/publication.md
observed 2e6129c044ae592087249d27fe8458c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.596900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046515/publication.txt
observed e3dca6bfcfdc1c577208fb6e6b27c0a8...
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.