OpenTechnical

OT-2026-000104285

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000104285) never changes.

Identity and time

Publication numberOT-2026-000104285 · never reused
Internal UUID01a0aea5-3420-723c-a5bb-a18efccbbbe7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104285
StatusPUBLIC

Content hashes

Canonical textc1ab3a2971f30daeb12ba3a371218c70430fc18489696be147618015c58f6a46
Markdown89a67485249304c38b9a0a1cf6729010569dde894bf0996471f9c8b9bea17d48
PDF
Publication page968a2b0d0ecb043f9689deb7c89dfdb37685ba8b205a257efed1627a8221c179
Manifest6a69ce0b3011113670f8d2dbf25528c4e92f5e9418781625ee57e5a442b07920

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
SignaturenLtcs/ROeN7Qqj6KPWn9pfGDhYmhRV+0oWuZNOFj7N0HVB7CHyiMXJ5C6esx+gVyxIKhlMiAzdS2PdojDMutBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:24.289047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104285
observed 968a2b0d0ecb043f9689deb7c89dfdb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:24.265557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104285/manifest.json
observed 6a69ce0b3011113670f8d2dbf25528c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:24.247039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104285/publication.md
observed 89a67485249304c38b9a0a1cf6729010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:24.222451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104285/publication.txt
observed c1ab3a2971f30daeb12ba3a371218c70...
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.