OpenTechnical

OT-2026-000007414

Publication integrity record

Vacuum cup gripper, per zone isolation, plant vacuum fed, pressure verified, rubber cups, flat form

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-2026-000007414) never changes.

Identity and time

Publication numberOT-2026-000007414 · never reused
Internal UUID01a0a97d-f462-75e9-9471-a370d7d2d6be · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:13:19.205157Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007414
StatusPUBLIC

Content hashes

Canonical text67e02fd8d852b19d5c8df5c0fdf2a533e9b7e704291e7d8ff705e7eb490ad987
Markdown05d3913c2b73cc312a812eea05516c51973c24e9f25c82da404162a65efcf79b
PDF
Publication pagea35fedfb068b31a838d6cd4eb2f32f3cb24a4939cba960e9dd58a63dc0eb58a1
Manifest98667ca319c6e329fb7bf83fb6052d5f04dace5375782f6c022800388360988e

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
SignatureTFOj+LsoUX20mCXidB7mwQEbgwsV3NVSl7I33hD8HP5zuw6Z8+t6UvFS3tL7rV02jPoubTNt9QBxU42iADx3DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:06.702055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007414
observed a35fedfb068b31a838d6cd4eb2f32f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.690129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007414/manifest.json
observed 98667ca319c6e329fb7bf83fb6052d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.677691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007414/publication.md
observed 05d3913c2b73cc312a812eea05516c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.663811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007414/publication.txt
observed 67e02fd8d852b19d5c8df5c0fdf2a533...
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.