OpenTechnical

OT-2026-000041253

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000041253) never changes.

Identity and time

Publication numberOT-2026-000041253 · never reused
Internal UUID01a0ae79-b143-7812-a926-13a537f1a3ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041253
StatusPUBLIC

Content hashes

Canonical text1d314b136796724f39eee57568f3cd1d104ccbdc6a27eea875eca0a3bbd6de34
Markdown80419061d6acb3f8a2a6140a314cceba5afc465430ee3338b521170954861aa7
PDF
Publication page6d87f06870014a464882aace0266c387bef245232ab690a3436bbfe535519a1c
Manifesta34b4df12310e3c6899170dcbc80054313b746767be881d56cc119e1afdd6279

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
SignatureFMZtB7oAgzHjfkau6iFmLj6iWLVltUZX2xYpZSac7a6WKv0UjcOfGNoEEqbPaMLx6RB7dsa0c0h9uvroiOpeAA==
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

2026-09-17T11:17:13.425669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041253
observed 6d87f06870014a464882aace0266c387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.407870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041253/manifest.json
observed a34b4df12310e3c6899170dcbc800543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.389276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041253/publication.md
observed 80419061d6acb3f8a2a6140a314cceba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.371117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041253/publication.txt
observed 1d314b136796724f39eee57568f3cd1d...
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.