OpenTechnical

OT-2026-000085843

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, sustained blow-off 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-2026-000085843) never changes.

Identity and time

Publication numberOT-2026-000085843 · never reused
Internal UUID01a0ae99-e829-73c6-8f62-bcc23bc7adbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085843
StatusPUBLIC

Content hashes

Canonical text8d701cfadcccc4121da7edf0f406f7f0c69dfb27abd4efe70bebc354069abdf7
Markdown41e7d677476a0fa6c8b7c807c5154d1d9c931b839c27d4c1e7802faef6badeb6
PDF
Publication page34f554c512932d6eb0de1273d35a38de7aca28d79136c9ad5dc76e7c3e93989b
Manifeste99f78fd19d68c9edbe1b4d77a71a8102a8d4a29f779223baedb17cc0bf3d1ed

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
SignatureXryImsyut8KdQzynoEPd9RNzjPwvXPB/+HnzODLTLMSOqyRMdb9aHqyFvly7weMjMeeOct/4T3zQ7N6iMRvzAQ==
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

2026-09-17T09:52:46.091120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085843
observed 34f554c512932d6eb0de1273d35a38de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.074304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085843/manifest.json
observed e99f78fd19d68c9edbe1b4d77a71a810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.058125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085843/publication.md
observed 41e7d677476a0fa6c8b7c807c5154d1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.040811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085843/publication.txt
observed 8d701cfadcccc4121da7edf0f406f7f0...
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.