OpenTechnical

OT-2026-000090085

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000090085) never changes.

Identity and time

Publication numberOT-2026-000090085 · never reused
Internal UUID01a0ae9c-428e-7a99-ae71-50c34be008ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090085
StatusPUBLIC

Content hashes

Canonical textc56fa8d4459a297eec420bbe3a37006a6cc56875c4d69c687c7e01d7f2fd4a92
Markdown77ec7df17fe5748e061da31f4781fa804e16f073f929969667903adaacdf9762
PDF
Publication page48403612464e928516504aafedb65381be0488649138748989a8fa1a3ce9773e
Manifestd9f124f4f214cb137c2d86c81fc4b54ad78d5dacabab4583ad745661a4908139

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
SignatureNWZf+3rLPCqbL3nRXPtjbTrSmR5donKInITAOa9hfANQFrjRO3juGCmF2AKlHvcwYhNY1ahpWns7cd2SGAXJCg==
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

2026-09-17T09:45:30.301795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090085
observed 48403612464e928516504aafedb65381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.283209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090085/manifest.json
observed d9f124f4f214cb137c2d86c81fc4b54a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.264183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090085/publication.md
observed 77ec7df17fe5748e061da31f4781fa80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.245187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090085/publication.txt
observed c56fa8d4459a297eec420bbe3a37006a...
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.