OpenTechnical

OT-2026-000073291

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000073291) never changes.

Identity and time

Publication numberOT-2026-000073291 · never reused
Internal UUID01a0ae92-efb7-7569-94f1-968a1a89684a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073291
StatusPUBLIC

Content hashes

Canonical text4c8e8b7faa6d0b25d826555d22a4ae3c1cf94f85363547630b2548f1540f0e0d
Markdownf8d21bdb8bdc6ccd2753cd7c6348c4ca096ecfe8489c4ace9964d42bc64a163f
PDF
Publication page2f2e069261b2ea384556f67331273dbe05c740c6e40ba46af6484d14724b68d4
Manifest9b3d339f4545e2a10e053cf303f6a1b5d06a57c7889528ab60f4aa8328e4053b

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
SignatureuUny+IN9hccO9Cy14ZbhGP+YNmt/11uQJ+iYew/pNpbtO04TNSDRUcZ16rBs0iSAq7hPbO6RblUZr1A1CNuFAA==
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

2026-09-17T10:21:17.955603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073291
observed 2f2e069261b2ea384556f67331273dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.937042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073291/manifest.json
observed 9b3d339f4545e2a10e053cf303f6a1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.918306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073291/publication.md
observed f8d21bdb8bdc6ccd2753cd7c6348c4ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.898935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073291/publication.txt
observed 4c8e8b7faa6d0b25d826555d22a4ae3c...
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.