OpenTechnical

OT-2026-000013205

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000013205) never changes.

Identity and time

Publication numberOT-2026-000013205 · never reused
Internal UUID01a0ae6d-6fc8-79e5-9af0-98f676315f6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013205
StatusPUBLIC

Content hashes

Canonical text18b422be5546d61dc749f21ba7b06788816fbd37ebd3fb2d948d3e4d509eaac5
Markdownb59b8597aa208612bb0356c1b96d78c79b33b9f8c06f2697732a85eed55e1d50
PDF
Publication pagebd478e8f0362cff04c26bfb816175923e12bffb72a6a4d14797665936fb1cc6f
Manifestabd2b66b30d23ac56eacabaf2a461d0075abed0262c1fc981f5abd9cda3931c3

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
SignatureME1U8JAhj34k3A1giE15Mc5E/K2lB/gqqQ99lYdbE6o65/rukqI+9k3jjK1nQqKszpjwc2Dq72lbp1BM0Q2/BA==
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

2026-09-17T12:09:35.487910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013205
observed bd478e8f0362cff04c26bfb816175923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.467173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013205/manifest.json
observed abd2b66b30d23ac56eacabaf2a461d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.448448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013205/publication.md
observed b59b8597aa208612bb0356c1b96d78c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.426723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013205/publication.txt
observed 18b422be5546d61dc749f21ba7b06788...
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.