OpenTechnical

OT-2026-000032971

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000032971) never changes.

Identity and time

Publication numberOT-2026-000032971 · never reused
Internal UUID01a0ae75-4843-78a6-8407-617a099d2a25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032971
StatusPUBLIC

Content hashes

Canonical textfea0150b49d587b51e84bb313a1fb4b825a41b6551c35d10ad14643c71ba0c00
Markdown8b58463941cd7cf768e6faae608f7198b4cf0edd133a524109f101027bf3876e
PDF
Publication page2071180514eda62163abc0e827820275789a0ef488cbe19dd849336a94e0ba48
Manifesta8335b3d77ce1750763aa85e39d0cbedf1c64e9d850b9d1d7f5ff098e1b6a78d

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
SignatureUEYWDOSzAcgGKlf+klapuKV8nw+zCnhid3WJlf/1WuTBi5+9O9emi4DRcvpFsifI/i3XaDQ1LtnaoVcRPI9kCA==
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

2026-09-17T11:32:34.815643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032971
observed 2071180514eda62163abc0e827820275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.798201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032971/manifest.json
observed a8335b3d77ce1750763aa85e39d0cbed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.779774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032971/publication.md
observed 8b58463941cd7cf768e6faae608f7198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.761400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032971/publication.txt
observed fea0150b49d587b51e84bb313a1fb4b8...
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.