OpenTechnical

OT-2026-000078596

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000078596) never changes.

Identity and time

Publication numberOT-2026-000078596 · never reused
Internal UUID01a0ae95-7c29-79c9-90cb-c82f5dbc2b5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078596
StatusPUBLIC

Content hashes

Canonical textdfcf5185ce3528971c3978e203f5986c6b84a56b374c7bf1e500ddb0583c8b10
Markdowna359cc19dae84f2f3e8a2ce5e308b4a7d1e9c81844f84a7cd307f4dd9dc7fcbd
PDF
Publication pagec0315a3b884636390722e2001f892be08d0ec0a872466a3ad9d5b10e02199fed
Manifest0101a50558b61d6b56398e8747981f56ec80d94920481469b493f566ad7e0169

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
SignatureFhYMQ+ljt7K51AOvYloqQ8jrE7XbixyNTy6t50/WBbcc9B2nWrpJLeov++PCCkqoayZWaM9bu2+hVVua+rYWCw==
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

2026-09-17T10:06:37.591942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078596
observed c0315a3b884636390722e2001f892be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.573225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078596/manifest.json
observed 0101a50558b61d6b56398e8747981f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.554932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078596/publication.md
observed a359cc19dae84f2f3e8a2ce5e308b4a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.538024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078596/publication.txt
observed dfcf5185ce3528971c3978e203f5986c...
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.