OpenTechnical

OT-2026-000024749

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000024749) never changes.

Identity and time

Publication numberOT-2026-000024749 · never reused
Internal UUID01a0ae71-2726-7f7d-beaf-61bdb6838e1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024749
StatusPUBLIC

Content hashes

Canonical textc87701138d76bd39fe748ca9ce34c411d9563c1815651cc4b890bc01a4b69c19
Markdown5c5d7866d4b1bc3b7f611f0d1b39923e4dc034dd6eb4bd0573a217f9a3776990
PDF
Publication page446d77c8e4642b4dca1d1979c84e334e3edf54d90f4596f9ccd13d08d1705502
Manifest420b00352fef5529dcf08bf171b00a009f78cf99293b66828ceb8aaeaf6bb0ce

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
SignatureaEnOi5ojJe9uvFf2Hf2l9gvr/5BJSCn92xinPHrCqZAK+MEaRj093h+0CR8wN/nQqh1z7Mf9ek1z9FygsvJgDA==
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

2026-09-17T11:47:46.748171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024749
observed 446d77c8e4642b4dca1d1979c84e334e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:46.720617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024749/manifest.json
observed 420b00352fef5529dcf08bf171b00a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:46.684926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024749/publication.md
observed 5c5d7866d4b1bc3b7f611f0d1b39923e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:46.649999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024749/publication.txt
observed c87701138d76bd39fe748ca9ce34c411...
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.