OpenTechnical

OT-2026-000061935

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000061935) never changes.

Identity and time

Publication numberOT-2026-000061935 · never reused
Internal UUID01a0ae8b-b8ad-74ce-95fb-16154b15e941 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061935
StatusPUBLIC

Content hashes

Canonical text46a0936faad804006f2e33a412ced57bbddaf280c34abd85e108e19514d4e525
Markdown01105d949df33ea1b2962ad16cb70c80b6f33bedfafb4e02668c05c5cae27ea4
PDF
Publication page671c7eee84574e4097e0f073962e18361762d88105d7e4fd2ca5c036b379c7fe
Manifest0d2e67ec2b3d4fa2df9899a35d310748f6ef4b6ceec8abecaf947b51cf0a1bc8

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
SignatureXRpafIopn06vUF6eFXe04EIj0A/0XPdprjvVcqW4y+534MllGJI73TK6OE+K199CF1f0InZNXkWPmu78aP5xAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:49.598793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061935
observed 671c7eee84574e4097e0f073962e1836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.576754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061935/manifest.json
observed 0d2e67ec2b3d4fa2df9899a35d310748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.553167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061935/publication.md
observed 01105d949df33ea1b2962ad16cb70c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.531294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061935/publication.txt
observed 46a0936faad804006f2e33a412ced57b...
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.