OpenTechnical

OT-2026-000007344

Publication integrity record

Vacuum cup gripper, plant vacuum fed, pressure verified, contact triggered, silicone cups, oval 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-2026-000007344) never changes.

Identity and time

Publication numberOT-2026-000007344 · never reused
Internal UUID01a0a97b-7ca6-7a4d-ba65-d7d4b4ecc7dc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:10:37.481125Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007344
StatusPUBLIC

Content hashes

Canonical textaf4298287e04786bbf2b149c8f55f1c5a4bdc4747af3effd24d699ed4f106a01
Markdown58c23138c4e7644cd494c29e72714e1f86b7238871e817e14c2987cc4dd6fbbe
PDF
Publication page7ed86e0c2608dd3a74bee069a86a0bd9f8a009c85eeca40fca312897e570273e
Manifest45dec35302bad2ae0d42d70d534c6432e5fc6af18bcc1e253aa41cb1c1a73444

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
SignatureGgeii9SQRpEykhp2VK/0RSATVhBIXPn/Xuf4bJnWOGsdq6tRRghVl7uX2XQr/mRgvHLbGe5SJkyD0UY6L3XrCQ==
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

2026-09-16T09:20:10.599243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007344
observed 7ed86e0c2608dd3a74bee069a86a0bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.586155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007344/manifest.json
observed 45dec35302bad2ae0d42d70d534c6432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.573745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007344/publication.md
observed 58c23138c4e7644cd494c29e72714e1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.560927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007344/publication.txt
observed af4298287e04786bbf2b149c8f55f1c5...
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.