OpenTechnical

OT-2026-000026729

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000026729) never changes.

Identity and time

Publication numberOT-2026-000026729 · never reused
Internal UUID01a0ae71-f4ab-7868-9a6b-f2bd0004c504 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026729
StatusPUBLIC

Content hashes

Canonical text85865a34ad980c299297d8b2cbbabfffdf752d0e6fd8d26798be819d981b7aaf
Markdown0ef19d77196c263368c6d70ec2f84e75e201234e1af3afa3f72d6af435dfbc00
PDF
Publication pageaa8c162cd3aa9a044f94a286c0ab645bc2ac47ee4ff9bf567cc626f79648b826
Manifest1c6ebbbe9e479cec65eb6eb3aa70a2860dc62966d0cd4d7b71d6a992d13fd4df

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
Signature8ibfPHIUP4VzioXrCivy0ba34VziDJUn/lFCFxw2+sCNTMhMiHHqSGyBtiBrTAhXmPJwoAJc5Aip9Pt8kEIWBA==
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

2026-09-17T11:45:54.635713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026729
observed aa8c162cd3aa9a044f94a286c0ab645b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.616113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026729/manifest.json
observed 1c6ebbbe9e479cec65eb6eb3aa70a286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.597480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026729/publication.md
observed 0ef19d77196c263368c6d70ec2f84e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.578193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026729/publication.txt
observed 85865a34ad980c299297d8b2cbbabfff...
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.