OpenTechnical

OT-2026-000022065

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000022065) never changes.

Identity and time

Publication numberOT-2026-000022065 · never reused
Internal UUID01a0ae6f-bb5c-7982-bac3-bcbae26ef783 · 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-2026-000022065
StatusPUBLIC

Content hashes

Canonical text64348f84e6d93bf9dffa91b9e2640cc5c924b0a2024c54f9e0c0cc42713c393a
Markdown30ee453d83bbdf4b1a43d0c8e1ac1c0389ca8df67dcffc35a2bb38c05dda9a1a
PDF
Publication pagef9e0b14e5b47ad2a9e73ed9062d45e53cf86f83768b4c38988e6dae9072fc034
Manifest313c64d0979ae93610c2be119a8302f0bd943beec6eb42b2c38fb5f011ec5fc3

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
SignatureHAHRWyeXnN/LxU409zwff2xuMZwY3Y5JdDzwW01Cp6Ixoy7jA6IrxqX/nYsYZ7A/9Lt17jHgHblAPQvAu0sfDw==
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

2026-09-17T11:54:45.663106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022065
observed f9e0b14e5b47ad2a9e73ed9062d45e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.644525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022065/manifest.json
observed 313c64d0979ae93610c2be119a8302f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.625525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022065/publication.md
observed 30ee453d83bbdf4b1a43d0c8e1ac1c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.605653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022065/publication.txt
observed 64348f84e6d93bf9dffa91b9e2640cc5...
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.