OpenTechnical

OT-2026-000064069

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000064069) never changes.

Identity and time

Publication numberOT-2026-000064069 · never reused
Internal UUID01a0ae8d-53be-79f7-bbe9-d0899abbc781 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064069
StatusPUBLIC

Content hashes

Canonical textb8cf0b01f8c4aab4f1a7c7ee62c38300efb74197c5815e0dcf2ad00076a85402
Markdown52cf0bf8cef4ad537fe6ab931d5a1235f09928faf06205d97ba371560afbcdc3
PDF
Publication pagea9d92637c66018a8c1e0f32c2f15e5040b70a2d8d62721514e5fcbe0785374e3
Manifest81a77667f2da1da7a561f20bb9a1b516f696050b69365bb8d7b3373229bd2b05

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
SignaturemhDfY+9O/kCHMAW8salHlbwrtH+UqRZweW1FfDvvO73QGHLySttN0CQJsFKnfKn9Ft7pB5SVeHQOY3hnTs9gDA==
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

2026-09-17T10:37:10.162280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064069
observed a9d92637c66018a8c1e0f32c2f15e504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:10.146566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064069/manifest.json
observed 81a77667f2da1da7a561f20bb9a1b516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:10.126493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064069/publication.md
observed 52cf0bf8cef4ad537fe6ab931d5a1235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:10.109043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064069/publication.txt
observed b8cf0b01f8c4aab4f1a7c7ee62c38300...
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.