OpenTechnical

OT-2026-000095104

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000095104) never changes.

Identity and time

Publication numberOT-2026-000095104 · never reused
Internal UUID01a0ae9f-2df1-7e04-aba2-fcee98301501 · 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-2026-000095104
StatusPUBLIC

Content hashes

Canonical text68574acc59a304d71c9c403e35ad7293c9d15d1fb6694a68c75cf3122a11f3ab
Markdown31baaffb8d42ec36695ca1c6972819b8ff0aae9dfce47fa759bfea88f11a49d3
PDF
Publication page3388e12acf7324a948a97e845e6a2f161d3df9aa390861e4c7338c62f54556e0
Manifest7f9030c5aff4c05e08756de82bc1f70d8c3e39df0be3ce60c212b8f928a3f53e

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
SignatureVwl5tfJIBjNi3BEnmKtrHyUuZrwgCHj7hB58mznD46EisJS/+v6a+1pjgF1gEdAMv1ZZXAbU25H5stR9VvQ0Bg==
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

2026-09-17T09:37:42.899785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095104
observed 3388e12acf7324a948a97e845e6a2f16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:42.880596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095104/manifest.json
observed 7f9030c5aff4c05e08756de82bc1f70d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:42.861471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095104/publication.md
observed 31baaffb8d42ec36695ca1c6972819b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:42.841773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095104/publication.txt
observed 68574acc59a304d71c9c403e35ad7293...
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.