OpenTechnical

OT-2026-000042405

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000042405) never changes.

Identity and time

Publication numberOT-2026-000042405 · never reused
Internal UUID01a0ae7a-5d75-74ab-b97d-6b0a6a429c56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042405
StatusPUBLIC

Content hashes

Canonical textd2218bf63d14cbf5f0e21033ef1b4c8cc0e2dc420565a6a19a32f5c8cab9dc98
Markdowne50b275f6d81b79a07e57f01af3b3cd82ee84751140e34f4c24b7a28c453220e
PDF
Publication page084dde8126ea26c0d903d581e55217f2d6cbea18ea5b51ba2de418a7f5c1a529
Manifestcf24ff72a8d877899c5c5c3dabdd5d7b57f11d110e8ec229880fd3e9769427f7

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
SignatureEbOUHDT9IB09jbtHNf+Run6nbnnjehPPqASyQgdbhUgAKhUL4fKczIH9ZdukOAMqPmCX66tp6OaQg3z/QTNLDQ==
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

2026-09-17T11:16:12.076705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042405
observed 084dde8126ea26c0d903d581e55217f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.057149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042405/manifest.json
observed cf24ff72a8d877899c5c5c3dabdd5d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.039955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042405/publication.md
observed e50b275f6d81b79a07e57f01af3b3cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.021231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042405/publication.txt
observed d2218bf63d14cbf5f0e21033ef1b4c8c...
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.