OpenTechnical

OT-2026-000006667

Publication integrity record

Vacuum cup gripper, six outlet manifold, plant vacuum fed, pressure verified, contact triggered, silicone cups

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-2026-000006667) never changes.

Identity and time

Publication numberOT-2026-000006667 · never reused
Internal UUID01a0a963-4371-7326-ab14-13ac991fe782 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:09.972753Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006667
StatusPUBLIC

Content hashes

Canonical text4c5bf5124c144f88b344b6c448c51c71d4964f4af0f321651a2ef3a43c3faa22
Markdown8e86c167e4da215900412742c350b1e5756b486c27b0e121439e9a5fc56130ad
PDF
Publication page97d2db1d22c4dfc06d7b19627a05073df5e2152d3cf3d3b12df62ea076e4b7fb
Manifest7ee05c4751ce4218d39273cd3bfcc13fbd166bff9457e096b096bafac493f93b

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
SignaturexUS2E4KqI3mApYC0jcTwWUtZs2UweB9+/xxbx5Cdxv267z8pwEHpAQD/A4wrqmnKFUQSMc+RG8O4UiW0pv9OCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:19.450102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006667
observed 97d2db1d22c4dfc06d7b19627a05073d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.437449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006667/manifest.json
observed 7ee05c4751ce4218d39273cd3bfcc13f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.424312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006667/publication.md
observed 8e86c167e4da215900412742c350b1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.411523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006667/publication.txt
observed 4c5bf5124c144f88b344b6c448c51c71...
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.