OpenTechnical

OT-2026-000030308

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000030308) never changes.

Identity and time

Publication numberOT-2026-000030308 · never reused
Internal UUID01a0ae73-e501-734f-8130-7892cdd617cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030308
StatusPUBLIC

Content hashes

Canonical text9de92105b76b6cc659625f3262138079909d0bf144eb0010db80b5dd9bc87731
Markdowna7a5bd705290bf94a3bd09ba9b008dc0b8a11537f418edfca4ab73fa99927664
PDF
Publication pagee10a25e5de4d559338c4fa6436ede2cfa520b722c87db9e343a4f936109ec194
Manifest318f02164ed5d059c4021e75cbfa6113d96893ecb6bb1f11a1978c1b1c789361

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
SignatureBkF7k8S+cRATax8Unjz690+hLDLX6g0+MKlGx5VOtlletltQcsgqFmL6FzDBhD5n9xFZ/t+xeczXvPzimzDFAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:00.647612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030308
observed e10a25e5de4d559338c4fa6436ede2cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:00.626224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030308/manifest.json
observed 318f02164ed5d059c4021e75cbfa6113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:00.608527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030308/publication.md
observed a7a5bd705290bf94a3bd09ba9b008dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:00.591167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030308/publication.txt
observed 9de92105b76b6cc659625f3262138079...
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.