OpenTechnical

OT-2026-000086916

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000086916) never changes.

Identity and time

Publication numberOT-2026-000086916 · never reused
Internal UUID01a0ae9a-80a5-7f8f-864b-a494793d6d6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086916
StatusPUBLIC

Content hashes

Canonical text7956436a24ffee0159ed999f68ec35b5a970ef5e45fa6d26cbadc67e7322d5a2
Markdown55c2e5dc00b212d22b6936527ca50ce89b76fda5b1c7319ad76bde769aec58cc
PDF
Publication pagef3a4cdf98893235591f985d7ffaf49a4be0382af8e324325fc1ff2517e2a184a
Manifest50bb88903b05bb4ae855018feafb3a6a2e9d522e2e4ec0da6d31d9a3d708ba32

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
Signature4IMOxjPoFx+eR6UC4/fdCH/hO9C+hbGrdoDo02HE5IlelZLlTyf0xvi3cjNEo9iWPwFwW3UzATalJ1wy0FVcDA==
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

2026-09-17T09:51:46.263226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086916
observed f3a4cdf98893235591f985d7ffaf49a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.245958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086916/manifest.json
observed 50bb88903b05bb4ae855018feafb3a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.228589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086916/publication.md
observed 55c2e5dc00b212d22b6936527ca50ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.212635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086916/publication.txt
observed 7956436a24ffee0159ed999f68ec35b5...
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.