OpenTechnical

OT-2026-000007682

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000007682) never changes.

Identity and time

Publication numberOT-2026-000007682 · never reused
Internal UUID01a0ae62-76bd-7ed6-b55c-94940f2d6da3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007682
StatusPUBLIC

Content hashes

Canonical texte6a9d13b259f2904b884d4159ccaf58b6854fa824a5c28eaa6066ef761cbe892
Markdown60337330e23d542e842071f844335fd24f0f817d99dfa6ce11414f7e32939e3b
PDF
Publication page4058e0d4bbae8f07d700bf380f0ba24dc08f38faf7a746d069cb5eb7b0696148
Manifest77882ed2e012292d4e852cf78eb32da9d3448ea323da08bd12438a6fd7efd2c3

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
Signature+hExfpS92bPGPJr+rjbMJXhP2NaQ32fQDHvmQhUwHv8ZQhyZAQn0gEcKe9XSqlPbBF7xr9FBt1p4X8PdVxWuBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:18.573833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007682
observed 4058e0d4bbae8f07d700bf380f0ba24d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.554384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007682/manifest.json
observed 77882ed2e012292d4e852cf78eb32da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.534340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007682/publication.md
observed 60337330e23d542e842071f844335fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.515088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007682/publication.txt
observed e6a9d13b259f2904b884d4159ccaf58b...
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.