OpenTechnical

OT-2026-000011193

Publication integrity record

Single cup vacuum gripper, single 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-2026-000011193) never changes.

Identity and time

Publication numberOT-2026-000011193 · never reused
Internal UUID01a0ae6c-540f-722d-89b2-3e599230d6b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011193
StatusPUBLIC

Content hashes

Canonical text681e59747ad61683e45a1c1c27fa1bb178fee4038b8f74f12ca98f7fbfd3413c
Markdownf5baa56b1ccef8ee097c3afe7312a147632323d5c4e0e5b5c44e63d517d53e8b
PDF
Publication page13639f6e1695b863fe5fdad66665b6c855ce7cde3b80eaf7cd545e995374c919
Manifest0a17c1a5b92d58286bca1070ce4fd3e718d81a84c9e4c3bf93d746f788181515

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
Signaturewx2I+EndJraf1zhuD+H/kDzFVVqo8pvVj7E3hdWwOV7Ce1YLnc0ioctPXoIZWKmLKokEY2cwEFJaxQymrfOZBA==
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

2026-09-17T12:14:08.382203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011193
observed 13639f6e1695b863fe5fdad66665b6c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.362941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011193/manifest.json
observed 0a17c1a5b92d58286bca1070ce4fd3e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.338395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011193/publication.md
observed f5baa56b1ccef8ee097c3afe7312a147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.317296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011193/publication.txt
observed 681e59747ad61683e45a1c1c27fa1bb1...
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.