OpenTechnical

OT-2026-000059525

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before 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-2026-000059525) never changes.

Identity and time

Publication numberOT-2026-000059525 · never reused
Internal UUID01a0ae89-8619-7580-80be-dae9dd1c2662 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059525
StatusPUBLIC

Content hashes

Canonical text75e18c151bcc5b67e04c469c7b555664ccf934083e2392292d8c522b9de78e09
Markdown3a66f275a746d946bd06cdd61a7a70f87c77bd23b394132452b0db37353b6e64
PDF
Publication page7ed2cef97804f842ed189d30213435f7f93c1fbdfb01f41af01530ee3a566bbc
Manifest67cc2f05f1de7e81e517abed099797675e22052358a5c2303e3c8d17341a9763

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
SignatureVcWu0FQwcZlXMkcYoKQ9KAPpmdlnN6xwfXZF0Hn/xA+FM5vTIuUJqPe7qrnrzC5ei9nrMHwzhyeCQCRCz6OuBQ==
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

2026-09-17T10:46:14.683679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059525
observed 7ed2cef97804f842ed189d30213435f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.666633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059525/manifest.json
observed 67cc2f05f1de7e81e517abed09979767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.648172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059525/publication.md
observed 3a66f275a746d946bd06cdd61a7a70f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.629400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059525/publication.txt
observed 75e18c151bcc5b67e04c469c7b555664...
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.