OpenTechnical

OT-2026-000040465

Publication integrity record

Single cup vacuum gripper, 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-2026-000040465) never changes.

Identity and time

Publication numberOT-2026-000040465 · never reused
Internal UUID01a0ae79-2702-7084-83d7-c108a651ee04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040465
StatusPUBLIC

Content hashes

Canonical textdf9c62bb891de0eaf94c5f1253bde1f0d0dfda36337411f16a699af240c3d3d5
Markdown44047741f86789138552ea334c2a78f1044acd24e7171c5cd87e326d65bd95e7
PDF
Publication page249f24692a36459978659c85d58eebcb3f695b231d546734c5f99bf084ca59b0
Manifest32c9656421cf12b46a37506a13f3c86709e145a47c74a7be00f1d5d8fdbda423

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
SignatureS9nHMg15HQtVKhRG+9YiGfgjn9X2RY0qV51z9eLEa7mS8lLVKyVrqKMRukD4OcTnCWW6c9rojhICnPWWZIPXDg==
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

2026-09-17T11:19:30.677235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040465
observed 249f24692a36459978659c85d58eebcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:30.660497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040465/manifest.json
observed 32c9656421cf12b46a37506a13f3c867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:30.643741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040465/publication.md
observed 44047741f86789138552ea334c2a78f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:30.626928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040465/publication.txt
observed df9c62bb891de0eaf94c5f1253bde1f0...
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.