OpenTechnical

OT-2026-000080173

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000080173) never changes.

Identity and time

Publication numberOT-2026-000080173 · never reused
Internal UUID01a0ae96-7e76-70ff-be7b-9b7fe086797d · 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-2026-000080173
StatusPUBLIC

Content hashes

Canonical text01d5072b64a10603c566e70c327861d95299caf9f56d0e91ae68d7fa3e74492d
Markdown2d9b545f38b52a19b3ba56708df71c813818c5f7483e537441e72515c5b1c243
PDF
Publication pagefa9e059c5dbbf8ace1bc58eafd269023b41e568d9f349ad99c2c21cf3dc58ea5
Manifest577e578fecc9ba6f46f7d95f460a94e638d66de745d22b7529175a03e77e2f9c

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
SignaturelLtdswlH5JawnAoGjTJQTgcoQUUu0Swx33rooi+jSP1iO0YvgMAZO7AAjjWw9/r0jzZSedV9krbLhcZkUrFZDA==
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

2026-09-17T10:02:36.526878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080173
observed fa9e059c5dbbf8ace1bc58eafd269023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.505787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080173/manifest.json
observed 577e578fecc9ba6f46f7d95f460a94e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.488027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080173/publication.md
observed 2d9b545f38b52a19b3ba56708df71c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.466483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080173/publication.txt
observed 01d5072b64a10603c566e70c327861d9...
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.