OpenTechnical

OT-2026-000069345

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000069345) never changes.

Identity and time

Publication numberOT-2026-000069345 · never reused
Internal UUID01a0ae90-b529-706d-bd52-0e97fe4e9c0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069345
StatusPUBLIC

Content hashes

Canonical texta65ee8ec6724c24692d10fef9d4ff328d789f79437b1a266c0df781508eb0012
Markdown088fcba8003c22e0c55d19401266e784f4307563838f32696a3e4e200a3f7abb
PDF
Publication page3455ffedb0058696b8522f7e4aad5ad68028295663c194e745a656fe3345f2d4
Manifest7dd739d3bef27e0e5b38a939e0346bfb6e041c6160f9471b1201a99d2412ce14

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
Signatureraxx3Wk+g1NwWz3m2JOxSl3S3rUxxvHTckP6RjW2rfS9kYv9ZXyho8E/3ed6Yr5qJVcskfMrD5hGVWxhHOP+Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:14.972700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069345
observed 3455ffedb0058696b8522f7e4aad5ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.954479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069345/manifest.json
observed 7dd739d3bef27e0e5b38a939e0346bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.937854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069345/publication.md
observed 088fcba8003c22e0c55d19401266e784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.916664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069345/publication.txt
observed a65ee8ec6724c24692d10fef9d4ff328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.930838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069345
observed 3455ffedb0058696b8522f7e4aad5ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.913050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069345/manifest.json
observed 7dd739d3bef27e0e5b38a939e0346bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.896246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069345/publication.md
observed 088fcba8003c22e0c55d19401266e784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.878162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069345/publication.txt
observed a65ee8ec6724c24692d10fef9d4ff328...
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.