OpenTechnical

OT-2026-000011913

Publication integrity record

Two bellows cup 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-2026-000011913) never changes.

Identity and time

Publication numberOT-2026-000011913 · never reused
Internal UUID01a0ae6d-1942-7e2d-a501-a00a8dc08cfa · 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-2026-000011913
StatusPUBLIC

Content hashes

Canonical textbe78299eb97469f5e91e466769e959f220627310d5b89f2611e0203a5cecab04
Markdowne9f62f5a50607539b4790f7b2741b7c65ebc01f07087ad7240efd328d5143713
PDF
Publication page3a1689f7abc066ab8caaa4da04de396eff57dc6381d70ce085d22e38af7173e0
Manifest0b61b013047a0d83f13263c1a9f1854bdecbe1aa1faa1b7265ec2abf321ec662

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
Signatures4G1ogcpABEpI7KwdhthyCkIZP9sCpXYQhdpaJ8VvAdksBd4eX7pLevHsNBcT58lwt6CeU+qNiPa8IQjouxXBw==
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

2026-09-17T12:12:40.609780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011913
observed 3a1689f7abc066ab8caaa4da04de396e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:40.590042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011913/manifest.json
observed 0b61b013047a0d83f13263c1a9f1854b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:40.572340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011913/publication.md
observed e9f62f5a50607539b4790f7b2741b7c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:40.553780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011913/publication.txt
observed be78299eb97469f5e91e466769e959f2...
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.