OpenTechnical

OT-2026-000047894

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000047894) never changes.

Identity and time

Publication numberOT-2026-000047894 · never reused
Internal UUID01a0ae7f-c421-7607-aa62-7c1905c7a93b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047894
StatusPUBLIC

Content hashes

Canonical textdb9e8a66d01f48e1bb74749c885f167ff12713762879d7518cac45f1e986596e
Markdown93f42a3109cd3be8e9380a971ef949f04bb125fa54734069e6a5d8d94001208f
PDF
Publication page62bc9aa1f8286189f36515205fd5ed4657675f48518ae2d6d1af850db3b57f62
Manifest4d9ac1219ca9b1507690b91aa4f9ac772623298450036e11b9b25d5912795a90

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
Signaturez5RF9YqSlclgLpBwy+P6vCN0SjtmHtYDG1mJZgM1o/T6b+olKMMF8wy0NN16trqrG9o0JysUUtbAcQ8/10rNAA==
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

2026-09-17T11:05:49.967725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047894
observed 62bc9aa1f8286189f36515205fd5ed46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:49.947873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047894/manifest.json
observed 4d9ac1219ca9b1507690b91aa4f9ac77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:49.926536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047894/publication.md
observed 93f42a3109cd3be8e9380a971ef949f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:49.907744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047894/publication.txt
observed db9e8a66d01f48e1bb74749c885f167f...
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.