OpenTechnical

OT-2026-000010957

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, vented 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-2026-000010957) never changes.

Identity and time

Publication numberOT-2026-000010957 · never reused
Internal UUID01a0ae6c-540d-781c-b5bc-b28872261949 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010957
StatusPUBLIC

Content hashes

Canonical textf51c5e43f66abe18ca29da0a20f471af50c703648ad3943ffabf7d59af4c0542
Markdown3ea979a102c46d2efcab1abffbe359debf561030304575a4adf4c216e4d9c426
PDF
Publication page2aed8ba698732d202a54ccb6fc5358d93fad82a896ea6fc012627e396be8a7a7
Manifest475971a2e7d965af80a6af7e38f0b6aa7dc416d12b30fec203dedfc1f3c658e2

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
SignatureBqY0JWitf1UkqxDXehBCcrbO2JdckeSmcZA6YwITSbMOuKV8/C1C22zS7I8b0eBoGR3IiB4V8CI5p6ETaQSgDw==
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

2026-09-17T12:13:45.046503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010957
observed 2aed8ba698732d202a54ccb6fc5358d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:45.026514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010957/manifest.json
observed 475971a2e7d965af80a6af7e38f0b6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:45.006838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010957/publication.md
observed 3ea979a102c46d2efcab1abffbe359de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:44.987048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010957/publication.txt
observed f51c5e43f66abe18ca29da0a20f471af...
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.