OpenTechnical

OT-2026-000048164

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000048164) never changes.

Identity and time

Publication numberOT-2026-000048164 · never reused
Internal UUID01a0ae80-4de2-7361-b4b6-780f5b275caa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048164
StatusPUBLIC

Content hashes

Canonical text6b2efbab76937fe12a9fc5df33e97fe1ac9e22fffee89dd12bb14473116572f9
Markdown46142a3d335957f2babb9db5388b2c93b80f6f0a5535c0d8f0c6c7157d998e3f
PDF
Publication page59af981b2365cbcf72d5a882b8cefa3e350075cf4ceae5b66d30d9cb6f80b855
Manifest67a2af77e8219b13c647d9d570f7cf4338fe151baf7c5fbcb2cb9cac5f130abc

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
SignaturebBQVWaib+wsRM6ctd6KRinzXVEl0q5ZYXhre/jtU7zl/FzuhkRlbrIT5UAl3naRcGwYOvzfn53Q8xrcf63aUCA==
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

2026-09-17T11:04:41.775038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048164
observed 59af981b2365cbcf72d5a882b8cefa3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.757018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048164/manifest.json
observed 67a2af77e8219b13c647d9d570f7cf43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.738688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048164/publication.md
observed 46142a3d335957f2babb9db5388b2c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.719999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048164/publication.txt
observed 6b2efbab76937fe12a9fc5df33e97fe1...
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.