OpenTechnical

OT-2026-000083527

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, 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-2026-000083527) never changes.

Identity and time

Publication numberOT-2026-000083527 · never reused
Internal UUID01a0ae98-0415-7467-bc30-25292746514d · 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-2026-000083527
StatusPUBLIC

Content hashes

Canonical text210d3ac6f4ac1dccc1a8c2e4ac7d3546de703569f26d94d4e8bd06d8dde7018c
Markdown3e75496619b54db7537bdffdcdb52a2a6c04a0c3122c48d5964dd21bfb0d7894
PDF
Publication paged19c9ff7829fb3e9857c50bbbc511068dbf9db9f93093f586d2fb6f0f245d2c9
Manifest80478d3e7b86e3dc518848b28d66d75afdecb285200462911909f7c7a974485e

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
SignatureV3LXsVQeEfhZ/OAJmgw/6tBzTE289P4aENAMYwVbYKjBgNEKiDsjanHC3e59m4ivDg2HD0aqQffMA+JmD5XlAw==
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

2026-09-17T09:56:30.580921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083527
observed d19c9ff7829fb3e9857c50bbbc511068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.564732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083527/manifest.json
observed 80478d3e7b86e3dc518848b28d66d75a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.546981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083527/publication.md
observed 3e75496619b54db7537bdffdcdb52a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.530086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083527/publication.txt
observed 210d3ac6f4ac1dccc1a8c2e4ac7d3546...
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.