OpenTechnical

OT-2026-000086460

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000086460) never changes.

Identity and time

Publication numberOT-2026-000086460 · never reused
Internal UUID01a0ae9a-2c97-75e1-87c8-f49ce8c4c839 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086460
StatusPUBLIC

Content hashes

Canonical text31f79b71f91bc7dfe13d59208011c8f7e382c347a375a40d7a605dcd991a7479
Markdownf9041cafdc8bb2009ee716dc7fa403626b6ac6b159940f4e77edd726c773b5bb
PDF
Publication page9d27f930ebde2ec5c648b1c78371780ba99029a913e6fde84dd5f68438d635da
Manifest0bddc7be084d86f5224b316aae2a295e1c3fd50f9b266db3437b03e22a2a2b0a

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
SignatureNjnKN9IDffg+bj+0mXh5mjZXvUEe3cimCHEsVkpGdwk5sJuNXQWjMKX6ByfObFVit9r+GNePVNxaMnMWQFs1Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:15.860230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086460
observed 9d27f930ebde2ec5c648b1c78371780b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.842851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086460/manifest.json
observed 0bddc7be084d86f5224b316aae2a295e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.824923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086460/publication.md
observed f9041cafdc8bb2009ee716dc7fa40362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.808337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086460/publication.txt
observed 31f79b71f91bc7dfe13d59208011c8f7...
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.