OpenTechnical

OT-2026-000067817

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000067817) never changes.

Identity and time

Publication numberOT-2026-000067817 · never reused
Internal UUID01a0ae8f-c4fb-75e0-bb38-00edd69ba291 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067817
StatusPUBLIC

Content hashes

Canonical text8f0e4062598f2cf2add9ab7543ca9be518ba88a047f75a1a2a6181501d67ca64
Markdown2ea504fb7550e611c57346c75a9f8a7c0c4f0feb498f4d493ff226ed46a2d450
PDF
Publication pagef34164fec63f4dbc945f8e5bb5b4f958b8e09eda20effe64a423f316d5f12448
Manifestaf7d64c4efe25441f783f6711523466a01bb4ba73e983118bf1547dcacb0bf38

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
Signature6qjqM0mcDZ7blcb8qo4IQSgPOJjNqLNfIiNnHRNOgKL072Ye6j/6m8iOoOvQzHGmD6/mnrOgiDfHuOlHJXQECg==
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

2026-09-17T10:30:03.881451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067817
observed f34164fec63f4dbc945f8e5bb5b4f958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.863216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067817/manifest.json
observed af7d64c4efe25441f783f6711523466a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.843035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067817/publication.md
observed 2ea504fb7550e611c57346c75a9f8a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.823461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067817/publication.txt
observed 8f0e4062598f2cf2add9ab7543ca9be5...
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.