OpenTechnical

OT-2026-000080215

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, sustained blow-off before set-down

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-2026-000080215) never changes.

Identity and time

Publication numberOT-2026-000080215 · never reused
Internal UUID01a0ae96-7e76-77f6-9f82-d19fdf03bccc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080215
StatusPUBLIC

Content hashes

Canonical text7e205a6e69a8f493f65f37ba1dabe9b5e55c48799c47bc6382bcb3a1b00e67c5
Markdownb10de3a6d483ec988aae5a20559fdf37c655f4313fb0ea28823e8b8edb459d5f
PDF
Publication page513f447ecad5add3b6826cb694667ef0e7bc476450785735918502e7bf746f3a
Manifest28210ee7e91d50df29a11c3c25a193456990064e61cf85307c904857fd06dc6c

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
SignaturegHxdMtrvyS4tHqWj7UfEzquFFpEYWsTrmsgAHhiQI5OmfPTqkFCZu7zhUgo0tCbtEDj9wuCf0BcR4K0V7bS9DA==
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

2026-09-17T10:02:39.980285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080215
observed 513f447ecad5add3b6826cb694667ef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.958085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080215/manifest.json
observed 28210ee7e91d50df29a11c3c25a19345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.937762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080215/publication.md
observed b10de3a6d483ec988aae5a20559fdf37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.917394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080215/publication.txt
observed 7e205a6e69a8f493f65f37ba1dabe9b5...
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.