OpenTechnical

OT-2026-000030171

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three 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-2026-000030171) never changes.

Identity and time

Publication numberOT-2026-000030171 · never reused
Internal UUID01a0ae73-e500-76a6-8701-27f55f24e398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030171
StatusPUBLIC

Content hashes

Canonical texta821835ec4c5a2f7a35518d2ab41c0c5070a3ee95308772e8d25053a317fe41c
Markdownb955b56954cff3dfd5611ae5966ead579b812e4ed227ba354a5c97e285369fca
PDF
Publication page172124efde3549c67faaa08430c92331e8897801f236702f25025ad6b3facea6
Manifest607b78a7302f62655d020ecc4cbe6b3e73695455e91f4b57164a43e0983cba2f

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
SignatureMcmWpKmxbXuzkpZn+YAkDRQ5B1wqEBWJSzdHBhgyvFw8REZSUXhI4s3EvaHssShTCCyVmt5htFP3weri+T0VAQ==
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

2026-09-17T11:40:31.911806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030171
observed 172124efde3549c67faaa08430c92331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:31.896369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030171/manifest.json
observed 607b78a7302f62655d020ecc4cbe6b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:31.881633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030171/publication.md
observed b955b56954cff3dfd5611ae5966ead57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:31.862778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030171/publication.txt
observed a821835ec4c5a2f7a35518d2ab41c0c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.289584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030171
observed 172124efde3549c67faaa08430c92331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.271080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030171/manifest.json
observed 607b78a7302f62655d020ecc4cbe6b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.253445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030171/publication.md
observed b955b56954cff3dfd5611ae5966ead57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.236688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030171/publication.txt
observed a821835ec4c5a2f7a35518d2ab41c0c5...
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.