OpenTechnical

OT-2026-000017941

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000017941) never changes.

Identity and time

Publication numberOT-2026-000017941 · never reused
Internal UUID01a0ae6e-96fc-7fd9-b67b-b8cf6ae646ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017941
StatusPUBLIC

Content hashes

Canonical textd42299b60bf4468c8138ecf22f1b7a16310d2ea6f5b4e903bea8f224575522c8
Markdown0cf866aeda54db298b15900aaff85c29c38281ea3ba40cb431eeb64844c18d0d
PDF
Publication page8c9aab104af9b4c8e0f12b40ffa2713bafbaca3622fa3b6764ffb5a8c54f057d
Manifest41d24f4648358f184f2f6c81969512af2e383b38d3c6f698c1347b056eb78596

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
Signature2ew2jvt0aeA9Gc+90vgx+lGfYjVrcGhyb2AmDOhQPdm3o9jdVCwjq8ebPaC878kCdgormc7tzLuSdN71qJiMDg==
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

2026-09-17T12:01:56.339175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017941
observed 8c9aab104af9b4c8e0f12b40ffa2713b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.322674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017941/manifest.json
observed 41d24f4648358f184f2f6c81969512af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.305358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017941/publication.md
observed 0cf866aeda54db298b15900aaff85c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.289795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017941/publication.txt
observed d42299b60bf4468c8138ecf22f1b7a16...
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.