OpenTechnical

OT-2026-000061601

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000061601) never changes.

Identity and time

Publication numberOT-2026-000061601 · never reused
Internal UUID01a0ae8b-7b45-7255-8034-c62a59e1bd08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061601
StatusPUBLIC

Content hashes

Canonical textce0854052890522b9754fd3ecbb2adf1ca6a2300ee987398a3e2683dc57e9b1a
Markdown94ee23162f8a062cffd711cc825acf5eb003e48e358d032422d867fddb342ae6
PDF
Publication page6074ba721a56fc7dee5b717e0e67b3398cec2633c35f44fc56e4c3f4b4236bb3
Manifestfee7e6f377c8b4a36df9bb53699e136264c5aab315be90cd9840644c03d148b1

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
SignaturekWlgIFU4NoquDJXx80ksJYlSMmY7CcMQ6iYWhomVK3jHsFuWV6fpsijzdlEgOY02hJtR3XJS9mpd//yn8IZxBQ==
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

2026-09-17T10:41:31.713282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061601
observed 6074ba721a56fc7dee5b717e0e67b339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.694683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061601/manifest.json
observed fee7e6f377c8b4a36df9bb53699e1362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.676055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061601/publication.md
observed 94ee23162f8a062cffd711cc825acf5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.657148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061601/publication.txt
observed ce0854052890522b9754fd3ecbb2adf1...
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.