OpenTechnical

OT-2026-000071484

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented before 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-2026-000071484) never changes.

Identity and time

Publication numberOT-2026-000071484 · never reused
Internal UUID01a0ae91-e0ed-7552-9ca8-88907f41cf14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071484
StatusPUBLIC

Content hashes

Canonical textfd15e8462db35dc6edcc78785f776cefdb005283a2bb2c2d4e5c9f928d2a6206
Markdowndf62cbb5ca9b5487bc3ab7cc45172ab595c9dedcd983dcc61ed3f23e2cb3dedf
PDF
Publication page0d7a2ec1e03c9f5a1c0343cfdb5fb5efe7620d4ec32b64e00fc59e71009656b7
Manifeste2e098c3dd673860a16a93b98fc26c813242eb88ffb220a34df5f1dfa3b64bbe

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
SignatureuIqJHcKo2LiWZmoC/4g06Rati6eM9Nh1oJNFajKQ8Twvb2y64VvnCwgwXRHl7dLXCh72TPALxf8Tl2C4Dzi9Bg==
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

2026-09-17T10:24:49.253634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071484
observed 0d7a2ec1e03c9f5a1c0343cfdb5fb5ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:49.236684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071484/manifest.json
observed e2e098c3dd673860a16a93b98fc26c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:49.217614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071484/publication.md
observed df62cbb5ca9b5487bc3ab7cc45172ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:49.198267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071484/publication.txt
observed fd15e8462db35dc6edcc78785f776cef...
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.