OpenTechnical

OT-2026-000050697

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000050697) never changes.

Identity and time

Publication numberOT-2026-000050697 · never reused
Internal UUID01a0ae82-c7b0-7d6c-828b-67ddcab5d3fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050697
StatusPUBLIC

Content hashes

Canonical texte7fcc8959796fa879ff760ba33fb2e95e8751a8ff85e6eedbc3101af2b8f98bf
Markdown88bf5316b13c6eeec49b9d0f701b4f5c156d7421bbb35f36a8e9004af474c3c7
PDF
Publication page52e73b50ba22ca08a42d146f57295f7dd596eefe2e3626f42ef3d2806e047109
Manifest027cb486d1ad69aa5625b611502f0967d0f2eb62fa730705f2255502d89d92c0

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
SignatureltkEg5bVMtnuv97m5nX365Ik23zlEmRTZ4GU36K93SSDeZyuweZQ7Jj1S9xnIKYEKess3reR3Vl9ZxUEdEYACA==
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

2026-09-17T10:59:24.663745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050697
observed 52e73b50ba22ca08a42d146f57295f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.643873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050697/manifest.json
observed 027cb486d1ad69aa5625b611502f0967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.624661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050697/publication.md
observed 88bf5316b13c6eeec49b9d0f701b4f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.607507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050697/publication.txt
observed e7fcc8959796fa879ff760ba33fb2e95...
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.