OpenTechnical

OT-2026-000027285

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000027285) never changes.

Identity and time

Publication numberOT-2026-000027285 · never reused
Internal UUID01a0ae72-6996-7fa1-8977-cd66e37394df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027285
StatusPUBLIC

Content hashes

Canonical texta8c5410c89eca3099249c720881a49a52a6c0dda98fb2a348726612ea6b0c2c4
Markdownc8bba738a9fc3f9cd1e9a31549a31f351ca4370bc80a5a59f15e1d50ff414196
PDF
Publication pagee5c976a82c98f82a29ed86757cef505798c0ec9156e6a4a190dcb39a6e74aaee
Manifest940d187bc5a9ba004d0d2509d432c29c4df217b129206c67ecc0ea9e321eeb52

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
SignaturePFCMG8wuaehGuVCK9pevzQyzkoxnmeQWXNQPrXvDDiTdVBEt1mstpxbyZ4y93hkIR5ZD7+nm+EVqJL5xDzZ5CQ==
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

2026-09-17T11:42:40.357324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027285
observed e5c976a82c98f82a29ed86757cef5057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.339601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027285/manifest.json
observed 940d187bc5a9ba004d0d2509d432c29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.323438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027285/publication.md
observed c8bba738a9fc3f9cd1e9a31549a31f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.306999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027285/publication.txt
observed a8c5410c89eca3099249c720881a49a5...
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.