OpenTechnical

OT-2026-000023973

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000023973) never changes.

Identity and time

Publication numberOT-2026-000023973 · never reused
Internal UUID01a0ae70-aed7-73ba-9fde-a4069c2d6b64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023973
StatusPUBLIC

Content hashes

Canonical textadbcc6e59e2992cad648bc78a1e72e6e9e2479972a70d1e0c03465a305c51fee
Markdown90290418f162779250c0c41fb8c15b47615d1a14a78c3dcd8f7be835869ec8ff
PDF
Publication page5b24712a4234c38632bc6c48511e130e2508596cd7188e80e086a1bf00154da9
Manifest6548644c09c791137047eaf3ef2bf8702058de32ea7d26e98fafa7c2930316eb

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
SignatureLZdwk8Dv+y//dC6/MYiaR8dYSmgnR2nhrJTbgvKtZ+mbyBwblTyvzHCbqUX7bonzZzQJo0v63pP4y20TdDrMAg==
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

2026-09-17T11:50:43.257429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023973
observed 5b24712a4234c38632bc6c48511e130e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.217951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023973/manifest.json
observed 6548644c09c791137047eaf3ef2bf870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.193448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023973/publication.md
observed 90290418f162779250c0c41fb8c15b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.156287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023973/publication.txt
observed adbcc6e59e2992cad648bc78a1e72e6e...
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.