OpenTechnical

OT-2026-000091691

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091691) never changes.

Identity and time

Publication numberOT-2026-000091691 · never reused
Internal UUID01a0ae9d-43b8-7512-930e-6290b4e7e72f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091691
StatusPUBLIC

Content hashes

Canonical text6eb4d717fd345d3801bbbd67047ecf69beee3a4931315d02d98e7711cfa59c20
Markdown32966ef8b31cc4af459864566447626f64815c8f14c76140ca2085e62fd1c979
PDF
Publication page72a86716c04e80fb8d9a66acdad82641a13008f1557126c68614a8631272de85
Manifest5eafe5bebb7d0266430126d7a00e0c1be1449e5ffa82d4afc3bab8772834b4bb

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
Signaturecuj1BnWPGVy10uUsQ9hivLkmgxllefhWHwkw1//ixeLVUloqf98Z+8g3AhrWY2fB+WHTuRjvXIVcH+DNp47CCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:04.483779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091691
observed 72a86716c04e80fb8d9a66acdad82641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.468477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091691/manifest.json
observed 5eafe5bebb7d0266430126d7a00e0c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.450591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091691/publication.md
observed 32966ef8b31cc4af459864566447626f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.432002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091691/publication.txt
observed 6eb4d717fd345d3801bbbd67047ecf69...
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.