OpenTechnical

OT-2026-000006152

Publication integrity record

Vacuum cup gripper, two stage ejector, pressure verified, sustained blow off before 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-2026-000006152) never changes.

Identity and time

Publication numberOT-2026-000006152 · never reused
Internal UUID01a0a951-1aad-78a8-abcb-b7838ea6cb94 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:24:19.888675Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006152
StatusPUBLIC

Content hashes

Canonical textbfd8f9766604ff2660686a8ccd24774c1b1f82a26d05a7d0ce27e8e2fc9de9de
Markdown86496bc84c17d3638f3e6c17e0384e2fd911152a57d8d68b7a320d2a99111fd4
PDF
Publication pageb5d0ea55fe3a1b601c36abe561701e1b2bca1c833c7f587f64b7258b096eea06
Manifest8bc26fa43d6b5b245d46a2cac95c2248d855c1d30931cc373d6758a6dcea0789

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
SignatureFdIuOFS6ON4IHraBiFB+wLJuE8FT45OBZ7UfHfkLzAhrvt84Nrx+MBE7JKUGHqWE9FjUc7gq7oHmQToz3H6CCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:21.692387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006152
observed b5d0ea55fe3a1b601c36abe561701e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.680117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006152/manifest.json
observed 8bc26fa43d6b5b245d46a2cac95c2248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.667042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006152/publication.md
observed 86496bc84c17d3638f3e6c17e0384e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.654046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006152/publication.txt
observed bfd8f9766604ff2660686a8ccd24774c...
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.