OpenTechnical

OT-2026-000049165

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000049165) never changes.

Identity and time

Publication numberOT-2026-000049165 · never reused
Internal UUID01a0ae81-134e-7ab2-a94f-ecf61c1280bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049165
StatusPUBLIC

Content hashes

Canonical text56974f91e1584058064e53a12b483ee60804f0af7ea2d8ddc7ff561fc38cd558
Markdown8bdb5aef61af747a9f2b9bd89bba99f91d0282ba6a2b43dee5ba674f9cb38eea
PDF
Publication pageef5581c9e8228cd4708a0ba3df74322f3f1f5b9bcf3e1490215545538d6a5bf5
Manifestc2deda88f279deab4e6dac3713cd3b1fb43a6f5724c0fe31b93b3528cd734220

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
SignaturezJJVSmXBJJSOR4uoHvV6dY7jxmEKQ+M+55BrTG2s3YBsOZTzJc1Aq1ZB+qxH0kzSicK7hzlxqwpTkNaBJeDsCg==
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

2026-09-17T11:03:57.789743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049165
observed ef5581c9e8228cd4708a0ba3df74322f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.771091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049165/manifest.json
observed c2deda88f279deab4e6dac3713cd3b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.752603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049165/publication.md
observed 8bdb5aef61af747a9f2b9bd89bba99f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.734476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049165/publication.txt
observed 56974f91e1584058064e53a12b483ee6...
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.