OpenTechnical

OT-2026-000012043

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000012043) never changes.

Identity and time

Publication numberOT-2026-000012043 · never reused
Internal UUID01a0ae6d-1943-74f2-a9d8-4f3fd8e29f92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012043
StatusPUBLIC

Content hashes

Canonical text9662accb94a2e3854bb3672c65136b77b40c2ab80f69ddd28d5e20d1a3a36398
Markdown3e34aaee279573c49fb1fe0b008bdeefe4ede5ca4ca5c9141ca7632b615b70e9
PDF
Publication page92001b49a94e1f51c6467f13f6fade99e200f91ebebf0d9a803752a08ab0d0f5
Manifest69d22c7a25933110669b0953aedc3efd72bc30b20ea7848a9c3d0b72de1029b6

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
SignaturebqWPEQltUqC3YYoHMj5Bdczg3YNzTHi5YnZcHgwwmyOvIqEasXQqEPAvZ/JXXTIgLc5R0oZCg+eCO44UAHdgAg==
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

2026-09-17T12:12:55.220690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012043
observed 92001b49a94e1f51c6467f13f6fade99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:55.200725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012043/manifest.json
observed 69d22c7a25933110669b0953aedc3efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:55.180323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012043/publication.md
observed 3e34aaee279573c49fb1fe0b008bdeef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:55.160063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012043/publication.txt
observed 9662accb94a2e3854bb3672c65136b77...
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.