OpenTechnical

OT-2026-000060452

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000060452) never changes.

Identity and time

Publication numberOT-2026-000060452 · never reused
Internal UUID01a0ae8a-b7cb-7e6d-824c-dc37ee1aac63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060452
StatusPUBLIC

Content hashes

Canonical textbfc3db88d6f976033ea0d7641d3c37e7069214a42ecfb67da87e4c9c37371430
Markdown4ce4c4a1920c244b40de5a18e1654b0dfbd7023885dc92616b7ac4b64399802d
PDF
Publication page115371641af05121e98ed1fc3beea1c20ff7af8b14399dc2e3f50c65a2be1e29
Manifest45ffc7c4cc5930bbd7616a4eb4a498a88510fcc43c80e5c20e2b71939577ba83

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
SignatureWtSLoHRExHy5rMCMfI9KI+JI82B0C/5AGio24hiK/Ws5e6jVzheE1O1clCo3rS9oRUHeRWVOBWFljLvNwSn6AQ==
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

2026-09-17T10:42:56.132759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060452
observed 115371641af05121e98ed1fc3beea1c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.115747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060452/manifest.json
observed 45ffc7c4cc5930bbd7616a4eb4a498a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.098156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060452/publication.md
observed 4ce4c4a1920c244b40de5a18e1654b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.080407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060452/publication.txt
observed bfc3db88d6f976033ea0d7641d3c37e7...
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.