OpenTechnical

OT-2026-000010078

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, 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-2026-000010078) never changes.

Identity and time

Publication numberOT-2026-000010078 · never reused
Internal UUID01a0ae6b-cb7a-7dfa-ac5b-446f46a38a3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010078
StatusPUBLIC

Content hashes

Canonical text63751e007d1b9c12a0bc7f85de313b9575866532ad40a2be104ddd9ca8bf4b65
Markdown1f7a69c35ebcc724396554c4c7ca28eb5444d7bea8ff9eed666094bc089aef7d
PDF
Publication page595afb597928364c5214a4b713ebf3f14c0f3d84f9231816734731d0fe89e451
Manifest481d57998471cc0ae933391cb533bef3a262155ba73dfd8ae33f6f117969c925

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
SignatureTp5p53dvEOZditI2zJW1xK8QsdKRgpZEaXO4pZjyjbldvTMyTtGS0fQbLo3OjzjPrQQdb8IhO2sHfLg1Ugp6DQ==
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

2026-09-17T12:16:09.437907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010078
observed 595afb597928364c5214a4b713ebf3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:09.418162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010078/manifest.json
observed 481d57998471cc0ae933391cb533bef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:09.398116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010078/publication.md
observed 1f7a69c35ebcc724396554c4c7ca28eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:09.354456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010078/publication.txt
observed 63751e007d1b9c12a0bc7f85de313b95...
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.