OpenTechnical

OT-2026-000050293

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented before 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-2026-000050293) never changes.

Identity and time

Publication numberOT-2026-000050293 · never reused
Internal UUID01a0ae82-5c46-7b5c-bd7e-251648f40f5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050293
StatusPUBLIC

Content hashes

Canonical textc97ce3b3fb14553565187df3aaaa8f713bccaff5be3e9683ffa34d3df1aab726
Markdown9489b0e2d5d2bb02447fc6aa7929987788039e8e40171ec7da627a4e2392ef08
PDF
Publication pagee6f80b4abbc6eb1a2a231edb4fba35af7b75b1b405f6d6bfad7d9cea6c295394
Manifest3287cf477cfcbfd05aa0f86a69d29b4bcdc718236dfdaf0ae1c20621073ca2b5

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
SignaturepBJRIWAFhQM+JClDhV04BwYhQKiEfKc5t/xNhiuLQNA9WncsYnrTi90AKMiCe3Mg6hSF78vCe1cCSK1bYEw6CQ==
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

2026-09-17T11:01:05.607313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050293
observed e6f80b4abbc6eb1a2a231edb4fba35af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:05.583456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050293/manifest.json
observed 3287cf477cfcbfd05aa0f86a69d29b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:05.460718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050293/publication.md
observed 9489b0e2d5d2bb02447fc6aa79299877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:05.309146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050293/publication.txt
observed c97ce3b3fb14553565187df3aaaa8f71...
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.