OpenTechnical

OT-2026-000030741

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000030741) never changes.

Identity and time

Publication numberOT-2026-000030741 · never reused
Internal UUID01a0ae74-3fb4-7ee7-9e00-0a578932a1a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030741
StatusPUBLIC

Content hashes

Canonical text7071a8f24685a033cee247c8d5ee356c472a6bbab98d39cb6db48f70f28c6760
Markdown53712e0fbfe70f90d1678f122e77a8657baabbb5c016afe2a520cdae861f591e
PDF
Publication pagee9b9a11f64157bbbed53bd098a896e8807801437c3ee439fad48df2e8939a47d
Manifest252998ae8f2ba2599a8ea2992f1fa4d7432e1bc58606a57225376a6b2ea001c5

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
SignatureNhIspgTPaTwup9TIFqBlT9Oy6aBv1c6AOXcWU65Pr9vIA5seoZecfMj0N0qXy+WArjnWCvCNuwPmmvZXbjSsBQ==
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

2026-09-17T11:36:40.672067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030741
observed e9b9a11f64157bbbed53bd098a896e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.649914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030741/manifest.json
observed 252998ae8f2ba2599a8ea2992f1fa4d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.630898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030741/publication.md
observed 53712e0fbfe70f90d1678f122e77a865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.611569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030741/publication.txt
observed 7071a8f24685a033cee247c8d5ee356c...
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.