OpenTechnical

OT-2026-000048765

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000048765) never changes.

Identity and time

Publication numberOT-2026-000048765 · never reused
Internal UUID01a0ae80-c32c-7acf-bccf-bbb99667dc1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048765
StatusPUBLIC

Content hashes

Canonical texta8a7286d99f7813a58e22a06e533cce4658c2cfd5cc944a54c13c3d6ac231052
Markdown8e7651dd28ec5ec3f48494d1117df3790433ec491d921117549791be50b95ab7
PDF
Publication pageecde82d748c11ada512088e0cce0454e2ee2d4f0fdf8b48c005f8ec582d7c56d
Manifest76e895d26567f7749baa0edcda2620db1c8e28aaf6b5f42acfd4a26639c388a6

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
SignaturedrjF5ad0+PM86OqFWg+OnzhQUazEMlkfd3PbrrrornG2WQCpVvFnnRWu7WiXJiSRPcwAlA5xVEZWGtgFcXXHBw==
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

2026-09-17T11:04:26.888489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048765
observed ecde82d748c11ada512088e0cce0454e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.861023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048765/manifest.json
observed 76e895d26567f7749baa0edcda2620db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.830944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048765/publication.md
observed 8e7651dd28ec5ec3f48494d1117df379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:26.803016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048765/publication.txt
observed a8a7286d99f7813a58e22a06e533cce4...
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.