OpenTechnical

OT-2026-000061168

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000061168) never changes.

Identity and time

Publication numberOT-2026-000061168 · never reused
Internal UUID01a0ae8b-1380-74ce-9cb6-6fe3c81efd1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061168
StatusPUBLIC

Content hashes

Canonical text4d88d1d2785d782a9a27095ba38c90abdec62a1c0ddb2d6bb8346ebe30193af5
Markdown45925d2f57ab94ac10fcb671ad0074e332a93d7f47d52cdbfb6aaa1b2f2edeef
PDF
Publication page3140fd8d6e1ac7c72f82e4a02055260e61e84cf7accbe5e85c0d3359aa4058cc
Manifeste97c0f1dd5c933ef424b1ff97854fcc0c75ca9178a971726e472a0e33c856111

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
SignatureeLY0SKhG9+kmIYhqcKihouI92QZBVOGZYw50TJqKNt9aOZPqMoTmjS/g/vwttnyRQyxocT0zQRrF9s2fjVx2Cg==
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

2026-09-17T10:42:33.410203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061168
observed 3140fd8d6e1ac7c72f82e4a02055260e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.393011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061168/manifest.json
observed e97c0f1dd5c933ef424b1ff97854fcc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.375400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061168/publication.md
observed 45925d2f57ab94ac10fcb671ad0074e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.357680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061168/publication.txt
observed 4d88d1d2785d782a9a27095ba38c90ab...
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.