OpenTechnical

OT-2026-000038568

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000038568) never changes.

Identity and time

Publication numberOT-2026-000038568 · never reused
Internal UUID01a0ae78-2d54-7d9d-9d64-6ea09198f147 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038568
StatusPUBLIC

Content hashes

Canonical text8490ca0df14cd925fc8ad4be2a192ea038918179733b77d12350d6800d522a38
Markdowne22a91cd3cdfa4f5b87b01b74381e51d9ce1809744e460e8f4ed587d31afeaed
PDF
Publication page42951a6181310d958a782ffb9f3ff2625230e1d95cac5fd57c75848464e2e522
Manifest983684a6a2a955e859d1df519c5759a30b8c23bfde44a477dbd20f16f607878a

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
Signaturex/SU+RKnk+fR1roXRv497LcnaxhMQL354tahGtqVJi2ULexN+skOaiJFh9IthRyXVFht9xB9RKcoXDeG+VDbAw==
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

2026-09-17T11:22:50.212745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038568
observed 42951a6181310d958a782ffb9f3ff262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:50.186459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038568/manifest.json
observed 983684a6a2a955e859d1df519c5759a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:50.167735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038568/publication.md
observed e22a91cd3cdfa4f5b87b01b74381e51d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:50.150460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038568/publication.txt
observed 8490ca0df14cd925fc8ad4be2a192ea0...
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.