OpenTechnical

OT-2026-000066831

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000066831) never changes.

Identity and time

Publication numberOT-2026-000066831 · never reused
Internal UUID01a0ae8e-ce43-79b7-914a-96a6f84475ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066831
StatusPUBLIC

Content hashes

Canonical text6c5baf892912761e4241f9f7d4edd8a147b76b67250ddedb9f9a74d9ce972553
Markdownfd3a441a9b366e274776ab355fd21dd15f555251b9cebc5c88df9d73506c59f8
PDF
Publication pagea12f89255dfac95cb928c3f50dc8dff757b2db0a97d75bb7f1a6422c6dddf608
Manifest346b4a25277cd61b2589343311fa077ebffa691ee11329b62f33ffd61d311343

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
SignatureMxidtS29Z2uVAu5EpQs1HWONsDOzyEfhMeNKLk8wgxtHgfBpiInWQgSpOItOTrbiAPtw3qCPxdzty0rj3BRmBw==
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

2026-09-17T10:33:15.907462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066831
observed a12f89255dfac95cb928c3f50dc8dff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.889833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066831/manifest.json
observed 346b4a25277cd61b2589343311fa077e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.873213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066831/publication.md
observed fd3a441a9b366e274776ab355fd21dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.854829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066831/publication.txt
observed 6c5baf892912761e4241f9f7d4edd8a1...
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.