OpenTechnical

OT-2026-000082639

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000082639) never changes.

Identity and time

Publication numberOT-2026-000082639 · never reused
Internal UUID01a0ae97-8cc8-764b-a609-e6dc8d3d990f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082639
StatusPUBLIC

Content hashes

Canonical textf124c570b93d5823fb3d25746a9c3b8016f76c482284bfb6aefc711271304128
Markdownbe7d9d159b5006e5317cdbf9771383e86c6cd4a5745598aa2ff85f5528ebcd5d
PDF
Publication page01d6fae069abf46db20340200148b6ebad9cdf39e20671da909ad2a8e563059a
Manifesta3f049a6174cfae32df87dc954895f32320da13a869f6962da16c528d5facdd5

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
SignatureidxF/2Tplz6PgFCQ2bACLfCgs5BxaCp6YGLYwlyu3vUChrvKPsSlKnf/s4+gnpIGs74wrmsxAhhbUHdcavidCw==
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

2026-09-17T09:58:11.794415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082639
observed 01d6fae069abf46db20340200148b6eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.776101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082639/manifest.json
observed a3f049a6174cfae32df87dc954895f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.758083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082639/publication.md
observed be7d9d159b5006e5317cdbf9771383e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.740150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082639/publication.txt
observed f124c570b93d5823fb3d25746a9c3b80...
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.