OpenTechnical

OT-2026-000103820

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103820) never changes.

Identity and time

Publication numberOT-2026-000103820 · never reused
Internal UUID01a0aea4-e463-785f-a951-4a6147ccae73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103820
StatusPUBLIC

Content hashes

Canonical text7572831f04269c5a741a126e41b9111917c32fa62e6395754c84f6b8f539ef34
Markdownf4371547093769b9f9ea5a8d332b79fb81f761d8a53d4b341dd603ee13316a5a
PDF
Publication page6c3cf3c70d24b159d3f27140b5205f53e7baa6a1cfb1dbed3d64c685d6d21087
Manifest2532ffafe50bbc090d6e75d77fe6db9bd0262ac5429b27956afef91b113861d3

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
SignatureLfVDq88B6wekE1Q9UoVbj3Pcg59wxkFJkf6cybSPHiszPHmvxTuYpsAAyjF3LhRD0YKJ9JYBr1oIWLTexdw7Bw==
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

2026-09-17T09:22:46.643930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103820
observed 6c3cf3c70d24b159d3f27140b5205f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.625690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103820/manifest.json
observed 2532ffafe50bbc090d6e75d77fe6db9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.609968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103820/publication.md
observed f4371547093769b9f9ea5a8d332b79fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.593376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103820/publication.txt
observed 7572831f04269c5a741a126e41b91119...
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.