OpenTechnical

OT-2026-000093688

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000093688) never changes.

Identity and time

Publication numberOT-2026-000093688 · never reused
Internal UUID01a0ae9e-508c-7bdb-b17b-57c32eeb497a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093688
StatusPUBLIC

Content hashes

Canonical texta5db8aac522fe51773344f9a716cb6df1b142a8d766b7ba46f96d5a3bce1f094
Markdownc01df6953a8a678ee2a55b082a964d708ff7abc06d3d6a5dd1080b28fd6feb2a
PDF
Publication page6e9c703acbaf68f70714c83f50e4f90b1ab8a4f12a3e1a36f5c5d66b741874e5
Manifestb59932b766bb372f934333212dec128e0a671e3fb0f17cd90c00ecce8377bc90

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
Signature7ecdMGpLk2p++T+KpdOLM+vu/8gjr/P5bJM5W/KZ7GNxCN4xCzoviqzGFw/AlGMHd4dKXUQPbPhENIfwzPcdBg==
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

2026-09-17T09:39:45.116503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093688
observed 6e9c703acbaf68f70714c83f50e4f90b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:45.096643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093688/manifest.json
observed b59932b766bb372f934333212dec128e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:45.079033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093688/publication.md
observed c01df6953a8a678ee2a55b082a964d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:45.060989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093688/publication.txt
observed a5db8aac522fe51773344f9a716cb6df...
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.