OpenTechnical

OT-2026-000084684

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000084684) never changes.

Identity and time

Publication numberOT-2026-000084684 · never reused
Internal UUID01a0ae98-e25c-74cc-a900-81855ef942a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084684
StatusPUBLIC

Content hashes

Canonical text14215e1879c51bfff27eb9d63ba07874357e28e7550eeb077dd71f14d35840ef
Markdown6848608e9df37d20d9141333902eb748306c2abe9707906f592473011aeee740
PDF
Publication page54185eda5d30369e10fc2967abe558132247890b388908fbb33b7b6f3058d5de
Manifestf7537a617105ac35dba14f11a62c713f92b192b0c3e88cd80ff31887b726571e

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
SignatureTy5t5j21FU9uodhSPR5WsDJNMZjshm9MdX85ZmuTJSYFZCtHyXRXfhg48W1Xqtc4berCxNM7wkV0N85mMHUqDw==
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

2026-09-17T09:55:36.702343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084684
observed 54185eda5d30369e10fc2967abe55813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.684902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084684/manifest.json
observed f7537a617105ac35dba14f11a62c713f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.668803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084684/publication.md
observed 6848608e9df37d20d9141333902eb748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.652266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084684/publication.txt
observed 14215e1879c51bfff27eb9d63ba07874...
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.