OpenTechnical

OT-2026-000022267

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000022267) never changes.

Identity and time

Publication numberOT-2026-000022267 · never reused
Internal UUID01a0ae6f-f4fc-7b36-b2df-55c27e19e423 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022267
StatusPUBLIC

Content hashes

Canonical textcc6f91147f63be9f7a046950e1230a72bf80acaf859b7b9302bde467634d3fe9
Markdown8734235deb04c603bbcf7b7d72764003169eb18ad680a952e7cd71d732d5dab8
PDF
Publication page2835844fd07913f34eb187e09f147e00d8389207aad1149844d226c3feca8752
Manifest86e70af08f7d5348c8e51dc648419131775c1b310cf1cf133e80eb2004242972

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
SignaturepsJEi54hSMWhmdoKNURdmmqZ53T1v/SCFcDNZlqkHk3iZDcbbKt+dy8Kn9HsQxs/OibPjKg+j7FMQwZuRjIVDQ==
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

2026-09-17T11:52:45.331578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022267
observed 2835844fd07913f34eb187e09f147e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.314337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022267/manifest.json
observed 86e70af08f7d5348c8e51dc648419131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.296813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022267/publication.md
observed 8734235deb04c603bbcf7b7d72764003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.277348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022267/publication.txt
observed cc6f91147f63be9f7a046950e1230a72...
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.