OpenTechnical

OT-2026-000075943

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000075943) never changes.

Identity and time

Publication numberOT-2026-000075943 · never reused
Internal UUID01a0ae94-2a00-7d96-8ba6-efc758cb2d93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075943
StatusPUBLIC

Content hashes

Canonical textd0e5187768363dce0773ee2e7455dfee81507e15e3cf4e1b09965c326d84280f
Markdowne8b090282a93998362f081987fc685da01a0129383f3aa82cd084315026ee71a
PDF
Publication pagee2193857030960b96320b5e6d901ba4a06ac24b21574a31d86b9b5c6cdf71908
Manifest2365d53429a680b604ed2f5589ff5325d817b604201acf834375fe153728a8ae

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
SignaturePBHorX4HIlTZsqBPpWhGlD/YcCbBrmrfPFsz8351IK3/c1vC6Iyol4hBjLItgSpZcmmVyXmW4IMqjIB0Lw/YAA==
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

2026-09-17T10:20:03.672755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075943
observed e2193857030960b96320b5e6d901ba4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.652924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075943/manifest.json
observed 2365d53429a680b604ed2f5589ff5325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.632369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075943/publication.md
observed e8b090282a93998362f081987fc685da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.610645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075943/publication.txt
observed d0e5187768363dce0773ee2e7455dfee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:54.013647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075943
observed e2193857030960b96320b5e6d901ba4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:53.995099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075943/manifest.json
observed 2365d53429a680b604ed2f5589ff5325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:53.976092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075943/publication.md
observed e8b090282a93998362f081987fc685da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:53.957671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075943/publication.txt
observed d0e5187768363dce0773ee2e7455dfee...
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.