OpenTechnical

OT-2026-000023309

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000023309) never changes.

Identity and time

Publication numberOT-2026-000023309 · never reused
Internal UUID01a0ae70-7268-743f-8044-a08a9a8f51c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023309
StatusPUBLIC

Content hashes

Canonical texta06dc5156172633ca151d9f743f1dbfbc78dbecf6a593a176e60078a81aaf1fc
Markdown9c1fea8c0a41e46c04bae21a29cd1b87e3fd3967bcdb28a1f8ad41a4767b9e71
PDF
Publication page59595123df76f84666173814b690e1f94f2b9f0a83e0cc5381a7fbeb81fcf0ef
Manifest0eb02f38bc70ae708e29c603ce73a7a305ddeb27089fa0a4740450cb8b29184b

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
Signature6ezYADwNRp8eCYEo4jOEbGB5pNU1uXPEOF8WISjix1mR/ds5bcsmI9GXriQs6HYZSWTtVXwhmW8XaIIoR0RBCQ==
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

2026-09-17T11:51:23.520916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023309
observed 59595123df76f84666173814b690e1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.501744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023309/manifest.json
observed 0eb02f38bc70ae708e29c603ce73a7a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.486121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023309/publication.md
observed 9c1fea8c0a41e46c04bae21a29cd1b87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.468409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023309/publication.txt
observed a06dc5156172633ca151d9f743f1dbfb...
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.