OpenTechnical

OT-2026-000045891

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000045891) never changes.

Identity and time

Publication numberOT-2026-000045891 · never reused
Internal UUID01a0ae7d-8f06-7f03-a4cc-a64891d1e1c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045891
StatusPUBLIC

Content hashes

Canonical text15d19fac0efa81060287430d38d233bc6d0bb0bf2ba5138d76caffe2508d1c39
Markdownef122e9b4e3750b36f98f757cdd5cd60c43ec35bb0a5e29d070ed5fa1371578d
PDF
Publication pagef70ae81defccd44be496dfd3d3a494d26f7eaf5aee1445050efd9f5e52450227
Manifest76d2e678cc1b16a6b1981c3956570cb5fbfc01430d88b31c01e9236aa6f7c63c

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
SignatureKu5RHQVAH8lMJUlkRI7ly1h6J9NCnerSCxz0eswYMOs3rZhEaxQtcmt55tMm5OPPMqmVbZEoUVvthNXiyRlOAA==
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

2026-09-17T11:09:47.155587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045891
observed f70ae81defccd44be496dfd3d3a494d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.133602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045891/manifest.json
observed 76d2e678cc1b16a6b1981c3956570cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.112244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045891/publication.md
observed ef122e9b4e3750b36f98f757cdd5cd60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.091094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045891/publication.txt
observed 15d19fac0efa81060287430d38d233bc...
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.