OpenTechnical

OT-2026-000064391

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, 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-2026-000064391) never changes.

Identity and time

Publication numberOT-2026-000064391 · never reused
Internal UUID01a0ae8d-a461-7b77-a2ed-8551231f1e5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064391
StatusPUBLIC

Content hashes

Canonical textfe6076e5976cff5c5bd11c4b22b0ad50d204dc58d6868fbf17376cd894fe4909
Markdown1158ca44c1bff58a5ae4b6f37cfd932d4d8b60c1d4f134e489a5dfc0134d4c0d
PDF
Publication page7f2eb7b1bd3a5cde870430c8f8e9bd999badccb76708afd58b734e87ff4236fb
Manifest209af340c1034d022310524b858fb44b05d98cf0699eb78069bef89e5c955871

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
SignatureptpFkknqdwfwuJzEZLty8arnPfOR3RvExodj7+mu0mAJWp2f8OIfTFdO1nDmR6wQPrJxcmC1bDb6UZ0sLnpiBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:33.842212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064391
observed 7f2eb7b1bd3a5cde870430c8f8e9bd99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:33.824585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064391/manifest.json
observed 209af340c1034d022310524b858fb44b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:33.806949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064391/publication.md
observed 1158ca44c1bff58a5ae4b6f37cfd932d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:33.788389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064391/publication.txt
observed fe6076e5976cff5c5bd11c4b22b0ad50...
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.