OpenTechnical

OT-2026-000084746

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000084746) never changes.

Identity and time

Publication numberOT-2026-000084746 · never reused
Internal UUID01a0ae98-e25d-7930-bc67-aef18f770f08 · 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-2026-000084746
StatusPUBLIC

Content hashes

Canonical text11242f3c6ff57d946cf19225cfc1e8628efaafd7d25d65314457ee8113a7a969
Markdownb91b5956ce84db3d81a545538aee4655927752753b9b49a09356295b07c334fc
PDF
Publication pagec943dc7fc1b25601782816e9592d13de7fcab2d18f5ada3e69cb97f9928e8b83
Manifest488392031c902928a50d628971b371e7d6c266abe4e1179633953666e863479a

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
SignaturetNtNCunpCugdtD8ytsmplAUC3aKAvKMQR0fpL+rpJYdSAVv+KW9mtPMV7ZXmjBARQjRiRDMFxfIPzjJRMC5XDg==
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

2026-09-17T09:55:41.456002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084746
observed c943dc7fc1b25601782816e9592d13de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:41.439491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084746/manifest.json
observed 488392031c902928a50d628971b371e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:41.422227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084746/publication.md
observed b91b5956ce84db3d81a545538aee4655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:41.404643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084746/publication.txt
observed 11242f3c6ff57d946cf19225cfc1e862...
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.