OpenTechnical

OT-2026-000040409

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000040409) never changes.

Identity and time

Publication numberOT-2026-000040409 · never reused
Internal UUID01a0ae79-2701-7944-be9c-8e2757117d4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040409
StatusPUBLIC

Content hashes

Canonical text5441e29df2f1d6a917367cdea802c0df89abfd740ab8ea82177cc07a1d2ca1f3
Markdown5c935dd9309596b3378473f71c18bfdbe67bb5cd03e828129e6178ed04b12a19
PDF
Publication pageb4895394818157b4c02475c39edf332d097688543db78c0d261d9542a78cfc97
Manifest6232a126a3a56fdd1841344202100e9d14a12cfd7233df730ceb147fb71d7b4a

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
SignaturevHQS079o8TUoFtnXG/y9Pehv/9VqrTeN+xsT4bVmr7YgJrMEg1cHIZX1jhMY+tDoKEzH0opmTKEzkVFUSg5uBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:26.671599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040409
observed b4895394818157b4c02475c39edf332d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.653556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040409/manifest.json
observed 6232a126a3a56fdd1841344202100e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.633822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040409/publication.md
observed 5c935dd9309596b3378473f71c18bfdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.616646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040409/publication.txt
observed 5441e29df2f1d6a917367cdea802c0df...
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.