OpenTechnical

OT-2026-000084653

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000084653) never changes.

Identity and time

Publication numberOT-2026-000084653 · never reused
Internal UUID01a0ae98-e25c-7a0f-9ac2-6ffdda6b3845 · 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-2026-000084653
StatusPUBLIC

Content hashes

Canonical text722d040ac19700d3955d95a99917e16724e647f0676b72c7a8acb86a518aad60
Markdowncdd5d0c19d6e67c9449fa82413b109749cf6425f219f8b0d5828a53b1bac6d6a
PDF
Publication page94a2b76b927bf3de06582e2d8df9bc83a4a2726e94b2dd85374117c001252470
Manifest8dd7d2a40e28601a5816a644593d1c1a86b8618ce48dc82b3b2c9edc77381f0a

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
SignatureD++QCrVipZkap0y3hafrKg/Mr4ubY4VDJqA8KVabXt7Xuj/0UaaMteJzTqT5NdVNq3hDPxbeC72n6+1v6JJnAg==
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

2026-09-17T09:55:34.437473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084653
observed 94a2b76b927bf3de06582e2d8df9bc83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:34.421100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084653/manifest.json
observed 8dd7d2a40e28601a5816a644593d1c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:34.403623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084653/publication.md
observed cdd5d0c19d6e67c9449fa82413b10974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:34.387426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084653/publication.txt
observed 722d040ac19700d3955d95a99917e167...
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.