OpenTechnical

OT-2026-000104226

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed 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-2026-000104226) never changes.

Identity and time

Publication numberOT-2026-000104226 · never reused
Internal UUID01a0aea5-3420-7f1d-9ab7-a76df7cf54c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104226
StatusPUBLIC

Content hashes

Canonical textaeba26aaa8f6bcb5db5f02a61b53c0fad6ae504995008c4fb33f427fe220b382
Markdown969b8aefe71ba2924eafb116bcef4357c1d5082e7b0901a5d6aedda0c66de16a
PDF
Publication pagec1531f7db54ed8e2a8a7b3b95e505f33d6a5e8c6cf3e29d869cf3ff29c147c77
Manifest6674e479df0a5f04e9267f0dfc95421178df189148c5f452302edea8626ff7a9

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
SignatureD01awMjmD+q6dTm5SXoQkQaUB1pjkwPA3+BWmdexufSzEom2UMKjv16A6yPB6PsyjRWO7gkHazHwqDLQthqxDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:19.869906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104226
observed c1531f7db54ed8e2a8a7b3b95e505f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.853478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104226/manifest.json
observed 6674e479df0a5f04e9267f0dfc954211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.836278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104226/publication.md
observed 969b8aefe71ba2924eafb116bcef4357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.817302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104226/publication.txt
observed aeba26aaa8f6bcb5db5f02a61b53c0fa...
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.