OpenTechnical

OT-2026-000044520

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000044520) never changes.

Identity and time

Publication numberOT-2026-000044520 · never reused
Internal UUID01a0ae7c-39d8-778d-9cf7-9f1dafed0c6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044520
StatusPUBLIC

Content hashes

Canonical texte8f54dd5d4ec0ef146a61a65b7a6dada698d24c966fd42b4cfa10499a50634fd
Markdown65781127ce749544f6766e2a382557300f3a55557b01aa1669217aa03b46d44d
PDF
Publication page4717400bfa82f8aac112e3183de9ce8e52e8ed95116585a605f2b7e6c09676f3
Manifest9fa8a6bf7f815a81c9f6b957e790f5c4c5636bf3b121d8a83314719072d28bd7

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
SignatureKAz1mghsDhuysx2Mde0vPC72UgYQJniHxfk642tZM/BTlCjziKrnaBuXLApSjvWVYm+EDcrSOnM3nON0hpSqAg==
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

2026-09-17T08:31:02.564133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044520
observed 4717400bfa82f8aac112e3183de9ce8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:02.547446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044520/manifest.json
observed 9fa8a6bf7f815a81c9f6b957e790f5c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:02.529495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044520/publication.md
observed 65781127ce749544f6766e2a38255730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:02.511210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044520/publication.txt
observed e8f54dd5d4ec0ef146a61a65b7a6dada...
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.