OpenTechnical

OT-2026-000095012

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000095012) never changes.

Identity and time

Publication numberOT-2026-000095012 · never reused
Internal UUID01a0ae9f-2df0-710a-b966-be9ba7e72dcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095012
StatusPUBLIC

Content hashes

Canonical textf6839d7746c5b65c33758724b131d5946f5a23129a03d68c9597ab2b96b7d23a
Markdownf3aed816b4448ef00999df5626e6433e975e85e843407d081644f41de5ae9ea9
PDF
Publication page65b8fc581c0785623c0805b4171f4c4c160920d35201f6eaf3ccadb0fbf6c290
Manifestda614b595a28791875ad263548138be58e8a56f8ae47415d94686f8991d04dad

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
SignatureeGcV/5YJgNSxpOv+pzDmmIPa+nMResq8536IYziqtrtkL5CV8gkLcd3UQ6rwhNBw1WTIv/KWqy7fq5WlSRU7Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:34.148398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095012
observed 65b8fc581c0785623c0805b4171f4c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:34.128949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095012/manifest.json
observed da614b595a28791875ad263548138be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:34.110596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095012/publication.md
observed f3aed816b4448ef00999df5626e6433e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:34.091606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095012/publication.txt
observed f6839d7746c5b65c33758724b131d594...
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.