OpenTechnical

OT-2026-000083587

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000083587) never changes.

Identity and time

Publication numberOT-2026-000083587 · never reused
Internal UUID01a0ae98-0415-74bb-a9e7-a0aaba452681 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083587
StatusPUBLIC

Content hashes

Canonical text0fa1e52104945dcc56fb19dd8ed29dc5525e55ee37aaa2dca95fde92174aacd1
Markdown308a113c24b44be331ece084af1c69ff79fa1a6666337baedd786476505f45cb
PDF
Publication page8a153d579497f441147d234fdd6da0b980a946dbf0a490f1d7ab75b74ce851f6
Manifest6746465410f38d3b985e5f7be6a1fba9659d6622c234267cc7fae85c8d7629a8

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
Signaturer3625KmbdUkC0GjVS4JRyhohCBRzdDrGXQc6xjnzcw+Lirfqv8b+jAnjl3sSE6mTT4dOlfZ3L+R28fkcbyHGDw==
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

2026-09-17T09:57:04.769207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083587
observed 8a153d579497f441147d234fdd6da0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.752777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083587/manifest.json
observed 6746465410f38d3b985e5f7be6a1fba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.735003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083587/publication.md
observed 308a113c24b44be331ece084af1c69ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.717145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083587/publication.txt
observed 0fa1e52104945dcc56fb19dd8ed29dc5...
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.