OpenTechnical

OT-2026-000027185

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027185) never changes.

Identity and time

Publication numberOT-2026-000027185 · never reused
Internal UUID01a0ae72-3454-7fa2-99da-c4fc5bf92a7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027185
StatusPUBLIC

Content hashes

Canonical text06423c23b09cb54b555c30512d4bdd962033f09b4f0ed1c6c487e26cc0ddcb0d
Markdownd339e3c7cd08f8c3ac96e0074928edbc772328caae7c705bade97a97c9fb83fa
PDF
Publication page9fe8c8a093397d2d6bd69e9a149c4286945feda63a256ef6089f34f44e3eca6b
Manifest6a80bd203bec52701ae5899b6bc5c21c224983f153df5c240127b7dc88afe3d7

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
SignaturedziS5dNBOg4xmWQtlZoH0IkM5CBNS4RkrDiDWlEGeachqP2hmdg/irX74V6LoSfRyGVEVSvpRtQtyotHXtFYAw==
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

2026-09-17T11:44:04.338814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027185
observed 9fe8c8a093397d2d6bd69e9a149c4286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.321423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027185/manifest.json
observed 6a80bd203bec52701ae5899b6bc5c21c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.302170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027185/publication.md
observed d339e3c7cd08f8c3ac96e0074928edbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.284659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027185/publication.txt
observed 06423c23b09cb54b555c30512d4bdd96...
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.