OpenTechnical

OT-2026-000029357

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000029357) never changes.

Identity and time

Publication numberOT-2026-000029357 · never reused
Internal UUID01a0ae73-5e20-7ae2-a5c2-f19e028ad166 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029357
StatusPUBLIC

Content hashes

Canonical text80a108b00cdb81c6d17cf3e8d43e4c4b8e308496cb12923d45e66991497665be
Markdown6d654f69746a9824441750aa6ac6beefdf733136f95b1bcea6ef4eb0c5eedcd7
PDF
Publication pagef74a98bcb5dcabd3c75669a04e2261b15d5f5f0a1d61d26a55d68408eb9c9c46
Manifest5f32e56779284051a7996cf237c5fb15d2edb211378b04218ad71a8fdcca3487

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
SignatureNVcKFllf0WAFBeaupQPpJfDO3nOeppbj3pEGjkgeVfgSd+3kgWdVUc3iczMqGVPIXGlhZcHAIUAUWtpTt6j8Ag==
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

2026-09-17T11:38:54.899801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029357
observed f74a98bcb5dcabd3c75669a04e2261b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.880017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029357/manifest.json
observed 5f32e56779284051a7996cf237c5fb15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.861821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029357/publication.md
observed 6d654f69746a9824441750aa6ac6beef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.843710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029357/publication.txt
observed 80a108b00cdb81c6d17cf3e8d43e4c4b...
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.