OpenTechnical

OT-2026-000017349

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000017349) never changes.

Identity and time

Publication numberOT-2026-000017349 · never reused
Internal UUID01a0ae6e-76c9-7e56-b855-86b5fd072736 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017349
StatusPUBLIC

Content hashes

Canonical textfa5def149e1ec1975291405cef535393c018eac08bcb51c010220bdd468b93be
Markdown9ffb7a6976e0cdb8cd2e72de61850b51bd1b1159d2fc8567364b4841a560293f
PDF
Publication page5105beb3fd6596d32d1e52d529a00471de731e7019fb1855b9e419dfddac251e
Manifest746493b6a604cef0ac037e6923bbd6ffbd5e519bdbd05340f911c2c688f25d97

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
SignaturelXajzrALrvI2ooDPy7lWj4Nl+1DwNdT/+5/7nLRGwtQbZOFTvZlNGSwDs1qwMS1hKWvvo818lfh8N3LsidzHBQ==
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

2026-09-17T12:02:27.665732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017349
observed 5105beb3fd6596d32d1e52d529a00471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.648090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017349/manifest.json
observed 746493b6a604cef0ac037e6923bbd6ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.630218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017349/publication.md
observed 9ffb7a6976e0cdb8cd2e72de61850b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.611959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017349/publication.txt
observed fa5def149e1ec1975291405cef535393...
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.