OpenTechnical

OT-2026-000039699

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000039699) never changes.

Identity and time

Publication numberOT-2026-000039699 · never reused
Internal UUID01a0ae78-d8d5-7402-b171-f500efb8ed94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039699
StatusPUBLIC

Content hashes

Canonical text04437ff3e34f4411330c978f1412cb714f49c6f64c7f7509576d3a52f8258b05
Markdown1452f27c1bd629c6e6ebbb958fb2cde1935b62139f7f274edf513e55936b492f
PDF
Publication page38bc7428437f1460a50b41bf9761d59e27c2cacf7fdd8213f79eb0aaa6dc949a
Manifest73b65f508bbd02a2712d3079bf8d65617e85685fe694de2f7ec74a7077f70077

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
SignaturepgwH08ivpGdGNybjTEvIJAhOOtdO7rcDKZC0FgnORJiVp6fOsglOPSliAQStbqvzp1/emnQvWCmwdu3WA0qxAA==
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

2026-09-17T11:19:53.646345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039699
observed 38bc7428437f1460a50b41bf9761d59e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.627563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039699/manifest.json
observed 73b65f508bbd02a2712d3079bf8d6561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.608919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039699/publication.md
observed 1452f27c1bd629c6e6ebbb958fb2cde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.589771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039699/publication.txt
observed 04437ff3e34f4411330c978f1412cb71...
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.