OpenTechnical

OT-2026-000043561

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off after set-down

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-2026-000043561) never changes.

Identity and time

Publication numberOT-2026-000043561 · never reused
Internal UUID01a0ae7b-92cf-72e6-a290-bbc145978ee6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043561
StatusPUBLIC

Content hashes

Canonical text401ab79bc45b10e66ed0fd78541a5253dd59cbbd405e95c06e7d1a8dcdfecb33
Markdown76b4799fdbf95b60540af1b58c2d17e462502efbd6336f342f72205846e72164
PDF
Publication page7a31bc8b1fda9cf067f10213a14757ddcb962a6a062db85940d34a51137f2742
Manifest878cfbc8b7c1a2c4ff198ba869427aa30bed107d2275d2a8005728eba0470e8c

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
SignaturecV0yYmfs1XOP7T12VaQs0qbgAqYq0XV3G4WQvAd7dhjJ+DM+WCcQEOaraKOhyPuMrqVJFn+0gPwc/gg08SP2Cw==
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

2026-09-17T11:12:57.180927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043561
observed 7a31bc8b1fda9cf067f10213a14757dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.161590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043561/manifest.json
observed 878cfbc8b7c1a2c4ff198ba869427aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.140821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043561/publication.md
observed 76b4799fdbf95b60540af1b58c2d17e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.122109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043561/publication.txt
observed 401ab79bc45b10e66ed0fd78541a5253...
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.