OpenTechnical

OT-2026-000058241

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000058241) never changes.

Identity and time

Publication numberOT-2026-000058241 · never reused
Internal UUID01a0ae88-6edc-777d-9d56-2984f878ea34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058241
StatusPUBLIC

Content hashes

Canonical textc4482ba0d9e6f58bd7a4519cf69a37f203ab0e6b302c489ea4f72123aaaff396
Markdownf029a4c473847adecf1934a2b5332f6c65373618f7f347def534a8fe1628b621
PDF
Publication pageaab1bac46bc189e3f36adc2a569132dc6e183a6c2b81f450252a4c442b8676aa
Manifest7e73b64c53b8e699c102c68ed16c7c5307d263e287cef65c2d3765f263b35ca0

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
Signature7T4UaywtPecq2TswljE9zPqCqQEHC5ZUazUpvU881bHgmeGHfNTtaPZQAtJz5ilbg3MsrsRG1JONdWTAhH46Cg==
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

2026-09-17T10:47:57.245253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058241
observed aab1bac46bc189e3f36adc2a569132dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:57.224713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058241/manifest.json
observed 7e73b64c53b8e699c102c68ed16c7c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:57.205509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058241/publication.md
observed f029a4c473847adecf1934a2b5332f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:57.186370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058241/publication.txt
observed c4482ba0d9e6f58bd7a4519cf69a37f2...
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.