OpenTechnical

OT-2026-000099917

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099917) never changes.

Identity and time

Publication numberOT-2026-000099917 · never reused
Internal UUID01a0aea3-1473-7dcd-9277-d23aa896cfbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099917
StatusPUBLIC

Content hashes

Canonical text57fea6d58715de37649f2eb84e429e7ccee2cc35abef7e071880e344bc50e810
Markdown5a57a363ed7e411054e9ef7014081845c756f64b13a8b11924b3abf47db0c7ce
PDF
Publication page6c5c20286406912f27ed71897243123d0ef4e7f58ca8ed3d37277a0dc920ad34
Manifestc0f66dfe1ef269359af3e7698858a09aa41ff48158812190ac0edab66d07c439

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
SignatureAC0NHLHJ7md17rv1mn1e9XbgXYhlBKEoc+jva/RZqJ/aiKCZIAxd6qzS/yE0OsFohbGZ3RNH9OOFrR7pOrblBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:33.605927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099917
observed 6c5c20286406912f27ed71897243123d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.587857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099917/manifest.json
observed c0f66dfe1ef269359af3e7698858a09a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.569798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099917/publication.md
observed 5a57a363ed7e411054e9ef7014081845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.551740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099917/publication.txt
observed 57fea6d58715de37649f2eb84e429e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.165172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099917
observed 6c5c20286406912f27ed71897243123d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.146843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099917/manifest.json
observed c0f66dfe1ef269359af3e7698858a09a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.129796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099917/publication.md
observed 5a57a363ed7e411054e9ef7014081845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.112207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099917/publication.txt
observed 57fea6d58715de37649f2eb84e429e7c...
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.