OpenTechnical

OT-2026-000040617

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off 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-2026-000040617) never changes.

Identity and time

Publication numberOT-2026-000040617 · never reused
Internal UUID01a0ae79-6d0e-7585-824d-d18a3fb0fd11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040617
StatusPUBLIC

Content hashes

Canonical text87e845725c9cedc4376a196389a096ad3c1c8d7c16fee05e70ea5e7a1fdaed03
Markdown16a4d81894c6743eacec33961dc30bec87fd6cb9c1885eba4e32c6cf7b9fc005
PDF
Publication page41b179a0f8692ecdb0bf4bf7f71273e7978f8f1329b7c9f99eb5d250df149df2
Manifesta5cbe2e6d43c20cf49865d88a8c6111dbaf6e624cf17773813a17018db9ed59b

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
SignatureCDAOSi0GQJzdw+KuXREvdPfCDqfw6M8HK/TUJ5kXNv9NE5BCD1ZieM7kgjlw/rLrzJy8dLDjghUBqJMaITk0CQ==
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

2026-09-17T11:17:47.768816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040617
observed 41b179a0f8692ecdb0bf4bf7f71273e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:47.752407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040617/manifest.json
observed a5cbe2e6d43c20cf49865d88a8c6111d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:47.735771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040617/publication.md
observed 16a4d81894c6743eacec33961dc30bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:47.717047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040617/publication.txt
observed 87e845725c9cedc4376a196389a096ad...
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.