OpenTechnical

OT-2026-000083403

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000083403) never changes.

Identity and time

Publication numberOT-2026-000083403 · never reused
Internal UUID01a0ae97-c964-7925-873e-d06a48d78ccb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083403
StatusPUBLIC

Content hashes

Canonical text9338003595c13e7154fc024583e270a8f1ff1789ae8a3fb3ab6702491251dbcc
Markdown3930eeabd54a7a8b122b51d46e448ab076888b127c4be225bca770d095a56a2e
PDF
Publication pagecafd498aaae0507c5b7e17670891f72497196528e90b79b81ef2aa56dbccf920
Manifeste72c8a749fb999afdddf9d16a412294a67ed75cb32e053df61a3adece886fb98

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
SignatureQsF+aFST9HOCpdnRL+iGygm7uFDeZpm8KnEjMjaaCdWjzKtHbolYRXmH2fJilx2Ml02a0kNjxKIOyUSdnhUuDA==
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

2026-09-17T10:00:52.308251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083403
observed cafd498aaae0507c5b7e17670891f724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.291577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083403/manifest.json
observed e72c8a749fb999afdddf9d16a412294a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.273107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083403/publication.md
observed 3930eeabd54a7a8b122b51d46e448ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.256835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083403/publication.txt
observed 9338003595c13e7154fc024583e270a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.870215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083403
observed cafd498aaae0507c5b7e17670891f724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.852900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083403/manifest.json
observed e72c8a749fb999afdddf9d16a412294a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.837869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083403/publication.md
observed 3930eeabd54a7a8b122b51d46e448ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.822581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083403/publication.txt
observed 9338003595c13e7154fc024583e270a8...
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.