OpenTechnical

OT-2026-000103362

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000103362) never changes.

Identity and time

Publication numberOT-2026-000103362 · never reused
Internal UUID01a0aea4-e45f-7b17-85b3-d30bedbc9845 · 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-2026-000103362
StatusPUBLIC

Content hashes

Canonical texte490ea5d8f32670f127a65de9ee939e1943388f3117a329ac260045e7fa08e7c
Markdown07169097fec8b7a5676dd8f352055540e6fa8cf6a2f6d6181eb8de44d3858bf5
PDF
Publication pagedd9159221fb408fb5c4485ae1f92d9da6a456fa5e45aef392765b2e102bafd10
Manifestf7e46f6aad90c0758aa1b2537e4a6e55f73825eb58fb70afc41610d832c414ad

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
SignaturewbjFMLbIj5tjp3mbHdZbnC1slhhqEyKMdjgvJlmPGas09j9C2koBM5aYE2yIzkS8te3DYNQCvmo+lfj2KgO/AA==
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

2026-09-17T09:22:05.786833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103362
observed dd9159221fb408fb5c4485ae1f92d9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.767938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103362/manifest.json
observed f7e46f6aad90c0758aa1b2537e4a6e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.749526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103362/publication.md
observed 07169097fec8b7a5676dd8f352055540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.732416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103362/publication.txt
observed e490ea5d8f32670f127a65de9ee939e1...
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.