OpenTechnical

OT-2026-000011192

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, 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-2026-000011192) never changes.

Identity and time

Publication numberOT-2026-000011192 · never reused
Internal UUID01a0ae6c-540f-78da-8ca6-2525751c057e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011192
StatusPUBLIC

Content hashes

Canonical textb7d5d0861dec4fb6eed1b803aa5444b88bd40f159018b8a89e5acf424c730d40
Markdown5e723f5bfc13012da5fcc175357689a604b91b451a0c32bc806474cd89a2f092
PDF
Publication pageaa893b45abddaf9f6727370e71144679a892d41dfa759062302046a21b7ee9a5
Manifeste555538ba162c468d8bccd3c6a5d6b9179d351c20a4e6c384731132bb5c2c277

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
Signaturej2uRULFRvxeoEV4mHdHKKlP4AQ8T3X/rohNQ5TSI0c6y7aiFZ8t/Gy97qTp/EJHu+hs5QFgoDAyVb4+ap69MDg==
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

2026-09-17T12:14:08.290880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011192
observed aa893b45abddaf9f6727370e71144679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.267709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011192/manifest.json
observed e555538ba162c468d8bccd3c6a5d6b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.247267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011192/publication.md
observed 5e723f5bfc13012da5fcc175357689a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.226137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011192/publication.txt
observed b7d5d0861dec4fb6eed1b803aa5444b8...
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.