OpenTechnical

OT-2026-000072633

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000072633) never changes.

Identity and time

Publication numberOT-2026-000072633 · never reused
Internal UUID01a0ae92-89d9-7fe3-810c-92963fad8c2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072633
StatusPUBLIC

Content hashes

Canonical textb0c3e94ecd982de6b9ef627b0c982c4ec614369a6b2ca15f537e9473571bd9d2
Markdown89afd9c3d933bba524aaf7fefa7fbd4b4d3e3105d077f8227ea1bcff31ff2079
PDF
Publication page16c8dbe2356e921d9077a87aab8880304987e399291c4f1d463668d27576c8fc
Manifestae9e317c8fd48b1b0f0e2455452644f89260c6ca2748cd031d3c0c094769e1fb

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
Signaturec/kp7SexLaNKk+L6JQ1OJ4sKwgj+Ph10KUMAsuxgPvLIoTkRnLafLaO55IMrZ51NY9+5JNopTo9yCHRPf3tNBQ==
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

2026-09-17T10:22:29.664211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072633
observed 16c8dbe2356e921d9077a87aab888030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.647034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072633/manifest.json
observed ae9e317c8fd48b1b0f0e2455452644f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.630936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072633/publication.md
observed 89afd9c3d933bba524aaf7fefa7fbd4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.614395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072633/publication.txt
observed b0c3e94ecd982de6b9ef627b0c982c4e...
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.