OpenTechnical

OT-2026-000032821

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000032821) never changes.

Identity and time

Publication numberOT-2026-000032821 · never reused
Internal UUID01a0ae75-4842-794d-a9f7-8ad4e73ce073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032821
StatusPUBLIC

Content hashes

Canonical textbbcc484b2946787a01864b3c53032664568c303afdbd4e061d6e006a31d02c48
Markdowndb7e742c8626f9fafe133a4f41e072a24f2bee85a71d02524098e7aacab5ae12
PDF
Publication pagea96564242d3fbd24ad01a9878397828abaa3b8eef02f480137cf5292658020f0
Manifest1985bca15dd24cb6a7b452661632c2a4b668788c897bf40bef5a56bbe3d379a1

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
Signaturee4gP/CVH9BUfLanZjx6LF283I7rxqS7fwiK/xl/8TmdP8XbPL+6DEw+Km2hKsJZxQZcpFJyiihtAzQsWnHzODg==
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

2026-09-17T11:32:16.552598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032821
observed a96564242d3fbd24ad01a9878397828a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.535238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032821/manifest.json
observed 1985bca15dd24cb6a7b452661632c2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.515603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032821/publication.md
observed db7e742c8626f9fafe133a4f41e072a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.494295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032821/publication.txt
observed bbcc484b2946787a01864b3c53032664...
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.