OpenTechnical

OT-2026-000046017

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000046017) never changes.

Identity and time

Publication numberOT-2026-000046017 · never reused
Internal UUID01a0ae7e-0329-7764-8aa2-03d451c62a29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046017
StatusPUBLIC

Content hashes

Canonical text7bb2771b2612851581907e8868a1439de63ff8ac989f362f1431754f9dbc68ea
Markdown07ea65e093334f104fd05ff4ce4fd5caa34e779551bd55d65e010e40ba1e11f9
PDF
Publication page8b68b742e7abbcd5baac1a304b4f1221b8b699a650c8ac685faaef9a7d82c710
Manifest7948681b6e632bc76642abc2797f4c9f0a2caf50c769dfe0c0709f2f604e4702

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
SignaturekwedOEHIRk0JpL3MqmjwORJZfhpQmFaPId+UnrsOBdUaUeS9kpoxGWI1/viNRjKjpJar1j3LMsCloB6R8S/uBA==
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

2026-09-17T11:08:57.720667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046017
observed 8b68b742e7abbcd5baac1a304b4f1221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.699920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046017/manifest.json
observed 7948681b6e632bc76642abc2797f4c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.682516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046017/publication.md
observed 07ea65e093334f104fd05ff4ce4fd5ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.662827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046017/publication.txt
observed 7bb2771b2612851581907e8868a1439d...
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.