OpenTechnical

OT-2026-000037646

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037646) never changes.

Identity and time

Publication numberOT-2026-000037646 · never reused
Internal UUID01a0ae77-b8cf-7526-a71e-42005eb07499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037646
StatusPUBLIC

Content hashes

Canonical textf93c981e7898aee530dbc0e35151acd742e4a33d7a843b8fac56870acaacf3cd
Markdown27ee32a40211412cbcc3a734f44c83a238bd08e1b6a5c5e19dbd201ac92bbf0a
PDF
Publication page2a28ac8a64683554a49a6241c0f00d323d82e5246f6c9193d1955d3f7d8b3e58
Manifest1adfa573ef82e359a322725ea7eda8d8f45dd9c8f4146ade1c5729a5c68d08ed

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
SignatureSzCGddkoRs4OAk5v9I+oaD71j8YJESd4jW2H8OWp8UZu3bN94opz3Q33r8KUXPXgbEkfDYT0z5MdTtM07blhAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:24:13.021810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037646
observed 2a28ac8a64683554a49a6241c0f00d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.004682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037646/manifest.json
observed 1adfa573ef82e359a322725ea7eda8d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:12.986264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037646/publication.md
observed 27ee32a40211412cbcc3a734f44c83a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:12.968318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037646/publication.txt
observed f93c981e7898aee530dbc0e35151acd7...
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.