OpenTechnical

OT-2026-000042044

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000042044) never changes.

Identity and time

Publication numberOT-2026-000042044 · never reused
Internal UUID01a0ae7a-5d70-79f0-85ff-e952f0437614 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042044
StatusPUBLIC

Content hashes

Canonical textd903bb634a27fc233f91440a0ab611a4bff36f78394d45471561cc425e5864cf
Markdown3fcdcfd4d87e0b947cc97351daf77ae523b959f42edebfaac991d9bf6385c7c1
PDF
Publication pagef9c1af9b63b7245604b90ecc3bcdbf577236a07c13d21489989c67d0a719cad4
Manifest2eda7605f94a2ba8ac7c5a3a96149ecce78934e986aa06a888a7eb32bbcd301f

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
SignatureYSTh9ofkf04T79CuoO68bfbIfKart59TW5+Y0IegSL2ZfwuMGy636MOVqD0NdOLnfA0ARY5K2qF8PKr231EyBg==
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

2026-09-17T11:15:33.453735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042044
observed f9c1af9b63b7245604b90ecc3bcdbf57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.433620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042044/manifest.json
observed 2eda7605f94a2ba8ac7c5a3a96149ecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.415578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042044/publication.md
observed 3fcdcfd4d87e0b947cc97351daf77ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.394676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042044/publication.txt
observed d903bb634a27fc233f91440a0ab611a4...
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.