OpenTechnical

OT-2026-000030908

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000030908) never changes.

Identity and time

Publication numberOT-2026-000030908 · never reused
Internal UUID01a0ae74-3fb6-748d-8596-e81c6f785d57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030908
StatusPUBLIC

Content hashes

Canonical text1bd933cad22f1a427d116be7300ae243d61591c91befc53ec7b8fcc8a4da6586
Markdowne7fb18a8379dae8215d779adcf8ec26aa829735e2317549641cd57fcad5c4bd0
PDF
Publication page03df1be5fcfd9d4e527ffc40dc71fc7a4d4a94a6102ce831f1e09d12ba7f66a8
Manifestf65228a3a9fa979599bd82e2f72e822f132f0d772bf65aa55543cf0e8c21dfb0

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
SignatureDvOZVpXZ661JdOfBGDl6UTfnkbFp11cY+Rq8pl3I7cAezv7KILf9J7JIl+rTIBXWJOL6U3DWluUGNPRJNgUjAg==
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

2026-09-17T11:36:53.974439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030908
observed 03df1be5fcfd9d4e527ffc40dc71fc7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.956162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030908/manifest.json
observed f65228a3a9fa979599bd82e2f72e822f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.939968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030908/publication.md
observed e7fb18a8379dae8215d779adcf8ec26a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.923324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030908/publication.txt
observed 1bd933cad22f1a427d116be7300ae243...
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.