OpenTechnical

OT-2026-000007813

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000007813) never changes.

Identity and time

Publication numberOT-2026-000007813 · never reused
Internal UUID01a0ae62-8d39-7ad9-aab6-9d5c8ca75c55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:29.414051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007813
StatusPUBLIC

Content hashes

Canonical text6f8b2bad5be4c42e72bef04f7bd7fc12f0a4b37b669f0549e617add3a0bb5003
Markdown82e7d27c59bdd8388420d43f3c7f30d72c03f6fd688674b4c52094a3a0833c47
PDF
Publication page177ca9c5a1efcde4711791c38d927be86325e6bb1be8ac0250aef91e83027968
Manifest3f54532b971adc3ee855a17f32dc5da594633b6a54e87e5a7f0535b210e6a466

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
SignaturemWI5HkdI3zj9ncjyJxx0W64+yJhl0TzX2nC1CEWiWR05nx+JY0METK5p/6E/lcHtM8kHCGvUTaQEM1af2rpnCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:04.074945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007813
observed 177ca9c5a1efcde4711791c38d927be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.056284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007813/manifest.json
observed 3f54532b971adc3ee855a17f32dc5da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.039623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007813/publication.md
observed 82e7d27c59bdd8388420d43f3c7f30d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.022291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007813/publication.txt
observed 6f8b2bad5be4c42e72bef04f7bd7fc12...
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.