OpenTechnical

OT-2026-000020445

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000020445) never changes.

Identity and time

Publication numberOT-2026-000020445 · never reused
Internal UUID01a0ae6f-437b-7f53-bc2d-71fbe83c722e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020445
StatusPUBLIC

Content hashes

Canonical textbbc2d89cf47e8a303e37c9d4104e970f537a11fdfff09c75366eb3f9cc781d87
Markdown223a8ab88935b8d17c6eadf1cdefce757ba1e00022ae5da0f8046d9d399e84ea
PDF
Publication page4081cc58dad6c363cdb3a49e4bb86c80fe71567692ded2c69cf2e047c24aca53
Manifestf511d4ee59bb26463880a31465e8bfbd2b7b8fcb7223ae60ce4eefee7024d984

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
Signature9lNRYd7jQXZ0QOVzeYbrbVkfdcVR7bZR2CErJrdpSTPmQw92fzLBHvPJM6RXInnw8xU0PiEbEsxIa/4GfKLbAA==
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

2026-09-17T12:00:22.219561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020445
observed 4081cc58dad6c363cdb3a49e4bb86c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:22.200219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020445/manifest.json
observed f511d4ee59bb26463880a31465e8bfbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:22.181622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020445/publication.md
observed 223a8ab88935b8d17c6eadf1cdefce75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:22.164016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020445/publication.txt
observed bbc2d89cf47e8a303e37c9d4104e970f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:26.036883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020445
observed 4081cc58dad6c363cdb3a49e4bb86c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:26.017374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020445/manifest.json
observed f511d4ee59bb26463880a31465e8bfbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:25.995806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020445/publication.md
observed 223a8ab88935b8d17c6eadf1cdefce75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:25.977334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020445/publication.txt
observed bbc2d89cf47e8a303e37c9d4104e970f...
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.