OpenTechnical

OT-2026-000077342

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000077342) never changes.

Identity and time

Publication numberOT-2026-000077342 · never reused
Internal UUID01a0ae94-f509-7274-9d5e-c0af21825bde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077342
StatusPUBLIC

Content hashes

Canonical text8cd1699f46accd478a9e3af0369b5ccf3cc800950b507fc53851dfb4e35d309c
Markdownc2abef9ac600ac30f93485a524838758c51a91cb550cd0182c0dc2e5aa17322d
PDF
Publication page5cfe2eaa513f08dbfedf323c5da66e4314cd1d28818a66a00ce1614dae7db665
Manifested70f4e62c9167c98b4a0b34bc6687dfa60bc8569b58973ae5c81bc956b17a81

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
Signatureaf1BsDWqQXwF0uXwnQ3HY6Tqgw5ANdKhEIP2m6UgOwVgiLK/bzO58XuiyFuPXn39y2vFOHkNrBJdGEKleeO+BA==
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

2026-09-17T10:08:59.024867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077342
observed 5cfe2eaa513f08dbfedf323c5da66e43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.006885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077342/manifest.json
observed ed70f4e62c9167c98b4a0b34bc6687df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.987965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077342/publication.md
observed c2abef9ac600ac30f93485a524838758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.970182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077342/publication.txt
observed 8cd1699f46accd478a9e3af0369b5ccf...
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.