OpenTechnical

OT-2026-000083605

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000083605) never changes.

Identity and time

Publication numberOT-2026-000083605 · never reused
Internal UUID01a0ae98-0415-79e9-8651-700748e6ddfe · 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-2026-000083605
StatusPUBLIC

Content hashes

Canonical texte41b32f1cdb8e9fd9bd667eba1e15e66a9a5f6449368d86d91c0b8a0349f3c4f
Markdown4703ac5e44c79e574eeea99b8fe1ae56f4f77d073a0fd47ad5a2c4e6da78f371
PDF
Publication page90776c8a7f6b2d4ab9f37cc99d9a7416a1719170da53dffb6eff5670a92af2fb
Manifest4e4e823002959027e3464f7099f549fe66874828b605f6373337855e845c4533

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
SignaturemKr/hL+iKNjmm+pJkYgp6NJWtYGJLi+HdhBu+XMU+nwG/I0eZJ6gV+s3k/DsdZgYCzTluev+1Djd2EYwtJDNBg==
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

2026-09-17T09:57:06.072954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083605
observed 90776c8a7f6b2d4ab9f37cc99d9a7416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.056628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083605/manifest.json
observed 4e4e823002959027e3464f7099f549fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.039696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083605/publication.md
observed 4703ac5e44c79e574eeea99b8fe1ae56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.023280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083605/publication.txt
observed e41b32f1cdb8e9fd9bd667eba1e15e66...
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.