OpenTechnical

OT-2026-000012188

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000012188) never changes.

Identity and time

Publication numberOT-2026-000012188 · never reused
Internal UUID01a0ae6d-39f5-75e8-a308-4cbc82bc52c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012188
StatusPUBLIC

Content hashes

Canonical text9ac02816c2b7e99089ac700f3812305182591773351b0d921c2416d3386e63f7
Markdown435467a2781ef838f66932fb7e7c55ce6433517949738fed8f2b9a2bd33a45cb
PDF
Publication page772040bac1fd29b9db145ec170d4b4a7f20bb692f87c00e1c410e0249cf3f6fe
Manifest95532a0ebe1b6b160aa228b14032277e51109fd48415bcd7c4f8e0688b951a01

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
SignatureSAAyMzvb9qz4SpF7LXK3HNOgvSA5UbC5ddsCoERPrrmo5y24Nb/Kjk0yhNkLdhKZFrxKLoPQX2sqBwI1l7Z+Ag==
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

2026-09-17T12:11:05.649556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012188
observed 772040bac1fd29b9db145ec170d4b4a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.628235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012188/manifest.json
observed 95532a0ebe1b6b160aa228b14032277e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.609031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012188/publication.md
observed 435467a2781ef838f66932fb7e7c55ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.590935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012188/publication.txt
observed 9ac02816c2b7e99089ac700f38123051...
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.