OpenTechnical

OT-2026-000077186

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented after 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-2026-000077186) never changes.

Identity and time

Publication numberOT-2026-000077186 · never reused
Internal UUID01a0ae94-f508-7c9b-b13d-a67cb8ddb33a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077186
StatusPUBLIC

Content hashes

Canonical text24620ad218d59beee7461efc77ade8f54ae8956ea59e42d838bfcc9ad0805455
Markdownefcfe1f1658c943f7a75a890da8a15a48c63518dbe7834d94080beacafe5e95f
PDF
Publication page9864ab59e50b54c322929ce871fcfd1d17d3772c92f1777d62e8d5722f704426
Manifest649e2b42cbf520df1b9e8b6dde63580af8d50b4206d48fae64f147f80d2451fc

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
SignaturefZdsr62fOn1a2bHsKSOI41g+ZIvfOvNcy1Fkq2DTDudb90GyOfHkZ2JwLpT0y1H5C62m5rlKZfYT0HZb3YE+Cw==
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

2026-09-17T10:08:39.600400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077186
observed 9864ab59e50b54c322929ce871fcfd1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:39.578340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077186/manifest.json
observed 649e2b42cbf520df1b9e8b6dde63580a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:39.556149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077186/publication.md
observed efcfe1f1658c943f7a75a890da8a15a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:39.536355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077186/publication.txt
observed 24620ad218d59beee7461efc77ade8f5...
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.