OpenTechnical

OT-2026-000043329

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three 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-2026-000043329) never changes.

Identity and time

Publication numberOT-2026-000043329 · never reused
Internal UUID01a0ae7b-327d-7b28-b3af-ad1ed823ded7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043329
StatusPUBLIC

Content hashes

Canonical textcbb533e83392c94ab40b4906f9ffb5ce01f310c05eb6daa2577e4b6f783ed053
Markdownd41121a3ff3db822806452755962919dc9bf700a4a977b1ccccb57bdec607801
PDF
Publication page75b2ca1fdcad98984bc11b786704b9993de879062f24efe096f8828236adef2d
Manifestc8a96c09a0591feaa59c3793915a08a3b95dbd527d89775b9ee8d0744acbff95

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
SignatureHV+DP5DIO3npbztPQC9eWcqiHFmwsZuaxNR0e1jV7DrUgdvuZY54jrL2/Rz+1gDCScGclSWFBQJuJN/ix5w4CA==
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

2026-09-17T11:13:50.301184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043329
observed 75b2ca1fdcad98984bc11b786704b999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:50.282091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043329/manifest.json
observed c8a96c09a0591feaa59c3793915a08a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:50.262365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043329/publication.md
observed d41121a3ff3db822806452755962919d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:50.242034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043329/publication.txt
observed cbb533e83392c94ab40b4906f9ffb5ce...
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.