OpenTechnical

OT-2026-000054345

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000054345) never changes.

Identity and time

Publication numberOT-2026-000054345 · never reused
Internal UUID01a0ae85-b3aa-7bf1-9a00-46cdb8102c5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054345
StatusPUBLIC

Content hashes

Canonical text8484c458150c56f04410992e93dea92e02104caee6229c497fc7703e7010ade6
Markdown91d2383b976e1d667b14416f0ab332cca08119b371f5f62d5e87cf2e0c12e04c
PDF
Publication page39eff719f601baa7be3167d2308660cee55042bf06748b2306c2cfdf9a464379
Manifest3dcb31f303ddd6823a07908cb4e44df9ab12699182a462fb388995022b04b963

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
Signature6AZL/x9dJJa2MyTwjMjS6mVkZn5qvQ+CEKAoMGD9JlYvA3YGZ0goeJnnGxPDQ71xddjmbfvF6I3jrnoRBdkqAw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:51.738153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054345
observed 39eff719f601baa7be3167d2308660ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.717645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054345/manifest.json
observed 3dcb31f303ddd6823a07908cb4e44df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.696096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054345/publication.md
observed 91d2383b976e1d667b14416f0ab332cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.672947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054345/publication.txt
observed 8484c458150c56f04410992e93dea92e...
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.