OpenTechnical

OT-2026-000046387

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000046387) never changes.

Identity and time

Publication numberOT-2026-000046387 · never reused
Internal UUID01a0ae7e-57db-7235-81d3-4b87f2c47b02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046387
StatusPUBLIC

Content hashes

Canonical text9b5e7c4c7a1132b94b4efb11a5d078935e42bbc97544ea2ac6d696869f714510
Markdown7c31d5ca0a7c0125c95684e29fa029d01ae6d12c96f29f8d2dd2ac6e6cf038bf
PDF
Publication pagecfeba9611a305230efafc7896340836c3a2f4f11fc040a17623ee015f742fb90
Manifestc59122bc1af99aebc5f5c7d77eff1f51f525e378d0f71ec980c5d84ee7475a49

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
SignatureDWHsK4/S5F7A7yNqEhZXrik9l1KsDh4ZfCiZ56Cs6ttZWTcQDvFalM/ioM/Iz+skrmea1/QgrddbSf/8Jc+UAA==
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

2026-09-17T11:08:23.447333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046387
observed cfeba9611a305230efafc7896340836c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:23.427898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046387/manifest.json
observed c59122bc1af99aebc5f5c7d77eff1f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:23.411082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046387/publication.md
observed 7c31d5ca0a7c0125c95684e29fa029d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:23.392826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046387/publication.txt
observed 9b5e7c4c7a1132b94b4efb11a5d07893...
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.