OpenTechnical

OT-2026-000104437

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000104437) never changes.

Identity and time

Publication numberOT-2026-000104437 · never reused
Internal UUID01a0aea5-3421-7af2-96af-b9bfc1d32c52 · 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-2026-000104437
StatusPUBLIC

Content hashes

Canonical textf22e0650d188a2f27e882c4bb2b1713c166ca7e1d8a8c0011afb988aea2e7e84
Markdown078edaa76ed198ed391d0ea29dd4a12cd8999c98c528e94c80a4d9cece02f53c
PDF
Publication page93d307217e30943bd72c98cbfaa7b0b5935b661d56bae7dd2d2470bdf0ec1a54
Manifest522c50350a7cd56cec341e59fda96ec4710c2d06bc16840948e8c3f4b84cd796

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
Signature7UOHUDXoKS99QTZcAuYHdwGvW0yqLg0hT0Al5abX0M1RpnIWFl/ADDNxq5GxoNpYdmHEosTQk2SGN6Frbc1NCQ==
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

2026-09-17T09:21:42.836430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104437
observed 93d307217e30943bd72c98cbfaa7b0b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.818311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104437/manifest.json
observed 522c50350a7cd56cec341e59fda96ec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.801547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104437/publication.md
observed 078edaa76ed198ed391d0ea29dd4a12c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.784197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104437/publication.txt
observed f22e0650d188a2f27e882c4bb2b1713c...
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.