OpenTechnical

OT-2026-000030530

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000030530) never changes.

Identity and time

Publication numberOT-2026-000030530 · never reused
Internal UUID01a0ae73-e504-7cac-a0c0-24d0434633bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030530
StatusPUBLIC

Content hashes

Canonical text410e80318f4becb7d45b7a65d6c052dd8a1310f83651594106d6fac2a2c7f897
Markdown16e0d209e3a8e3db45deeaa931fb6ddaf014231f9261cc0c16e4bd945c8cfdf4
PDF
Publication pagee5013c3637dad73d00cd44b8c1d1892224921b30fba54e7625391d7eeab70124
Manifestfdb7899af88529f9a7e3a0d27b63b46a79b8218f67ef45d7632b3ee62e14821c

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
Signature0p9klGEiLy0SwoWp/RLBEdBzkdMr2aQyxNbmGYLkeD4M6tAHWqipiBmMRN0OT8/CxLUaw9eXvbiVib3A1bgxCA==
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

2026-09-17T11:38:23.828356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030530
observed e5013c3637dad73d00cd44b8c1d18922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.808723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030530/manifest.json
observed fdb7899af88529f9a7e3a0d27b63b46a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.791279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030530/publication.md
observed 16e0d209e3a8e3db45deeaa931fb6dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.774087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030530/publication.txt
observed 410e80318f4becb7d45b7a65d6c052dd...
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.