OpenTechnical

OT-2026-000086201

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000086201) never changes.

Identity and time

Publication numberOT-2026-000086201 · never reused
Internal UUID01a0ae99-e82c-714c-ab2c-04454236e16e · 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-2026-000086201
StatusPUBLIC

Content hashes

Canonical texted1fb0215f6c4aa26a84f93d681156d0caa0e858b1bb8a59fe9cc7fd2602f0f9
Markdown0a68b6460c00d75813092330cca5043e1acb4d011247f4de903f74664e341dcf
PDF
Publication page867202fb07d3c4989ff12ff1f5c19d830a998e6175a91ceeab0a4ca5a0acb0cc
Manifestbb5934e0dc580bf5cac0a77778a97260fc07b9f620dd6bf95e243896f154bbbd

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
SignatureTOhseAv+g/WcMoQ2e9HghWURWXPozgYkxqGLeLwO5ggy/wA/30iqTT9++WmPvXoBggBu1YtFQP0b/P/iTOBnCg==
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

2026-09-17T09:53:52.898643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086201
observed 867202fb07d3c4989ff12ff1f5c19d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.882695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086201/manifest.json
observed bb5934e0dc580bf5cac0a77778a97260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.865662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086201/publication.md
observed 0a68b6460c00d75813092330cca5043e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.848838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086201/publication.txt
observed ed1fb0215f6c4aa26a84f93d681156d0...
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.