OpenTechnical

OT-2026-000034245

Publication integrity record

Single cup vacuum gripper, plant vacuum 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-2026-000034245) never changes.

Identity and time

Publication numberOT-2026-000034245 · never reused
Internal UUID01a0ae75-df0d-7b8f-abaf-a8b5eb46140d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034245
StatusPUBLIC

Content hashes

Canonical textd6f5ef84d19d73f5e379f0ce64c437f3b46e1c1d24835ae3395e3ca5b82fdd74
Markdown4a03e0e2902540b93a974a22f7b938f594580bf37037a6fcd747e0cfb083b563
PDF
Publication pageba2b5d0b1fa19fd0278e31eb5d1249c074197f8251005c55b07a2468b895f47f
Manifestc09a653cf514e07fd1d71e0de42ac50f9ac3118e62feb92f02725a8c914d2876

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
SignatureTYjotlaPOltq0XWXXdxZmdU0aIJ2hSyKA6oHuswtKIfebUpQZyce2nPjdV3h1Rj6gTjvbI2q+oKdDPx7HhOYAw==
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

2026-09-17T11:30:48.076223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034245
observed ba2b5d0b1fa19fd0278e31eb5d1249c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.060907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034245/manifest.json
observed c09a653cf514e07fd1d71e0de42ac50f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.044474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034245/publication.md
observed 4a03e0e2902540b93a974a22f7b938f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.028945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034245/publication.txt
observed d6f5ef84d19d73f5e379f0ce64c437f3...
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.