OpenTechnical

OT-2026-000017717

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000017717) never changes.

Identity and time

Publication numberOT-2026-000017717 · never reused
Internal UUID01a0ae6e-96fa-767c-9cc2-9b6e5a8e9a9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017717
StatusPUBLIC

Content hashes

Canonical text489a5359f9c992145a124e18aaaadf3f238eb019985d45dc31ab4b22d7ccec2b
Markdown45928bc02f9766be5f5ffe06c96881e553aa181d952cbcf2713b95d51f3958f3
PDF
Publication page1f2685271fc1b9945d963bf0e3fd5d7d1581ac3eddb737294356fb94669c4c46
Manifest305420a2e8b63552972d6c61207ba21394f4d6c7bb36d79be509e3c2946d3091

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
SignatureMMW3zAYyrKoHdx1AOVF+/D/lpBSGUTJP9wmF8NBU0+5wUycNVXT/0ARCMlfKVwC1Ym2cpE3qHsWsKKpCmglgDg==
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

2026-09-17T12:01:40.194172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017717
observed 1f2685271fc1b9945d963bf0e3fd5d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.178330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017717/manifest.json
observed 305420a2e8b63552972d6c61207ba213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.161613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017717/publication.md
observed 45928bc02f9766be5f5ffe06c96881e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.146602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017717/publication.txt
observed 489a5359f9c992145a124e18aaaadf3f...
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.