OpenTechnical

OT-2026-000022041

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000022041) never changes.

Identity and time

Publication numberOT-2026-000022041 · never reused
Internal UUID01a0ae6f-bb5c-71a3-a97e-5ab0150616d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022041
StatusPUBLIC

Content hashes

Canonical text67de65b50fe9d74832da12b127582a8da9f88f2f30be6de79745565a7f649e5c
Markdownbc734a20ef330517156ab7d1b84f33c9ccab6c254047d56e5f3482a41866f181
PDF
Publication page6fcb4cfdb680bd12098b2da9206fc53c5e2dc44ab5f3e8786e60d3e34d68a66f
Manifest33692f4de4c90300111649a7ec212af575e9185bd765ee8da2c85be33c72f731

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
SignatureYjrtEos8R7nl9sChJs8D4aFTQN4SGtLmtIr79cXr/6tU0hnEbSbcFmeVcwPMqdDvj3zNwqg/4xJCETHE4WrFBg==
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

2026-09-17T11:54:43.841720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022041
observed 6fcb4cfdb680bd12098b2da9206fc53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.824699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022041/manifest.json
observed 33692f4de4c90300111649a7ec212af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.804330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022041/publication.md
observed bc734a20ef330517156ab7d1b84f33c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.785849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022041/publication.txt
observed 67de65b50fe9d74832da12b127582a8d...
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.