OpenTechnical

OT-2026-000083834

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented after set-down

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-2026-000083834) never changes.

Identity and time

Publication numberOT-2026-000083834 · never reused
Internal UUID01a0ae98-0418-79ca-bbae-f3dec56716ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083834
StatusPUBLIC

Content hashes

Canonical textbaba18b05f01a81dcbdbf68fd8e29b116d52d32850264583e0c8042bb72a7410
Markdown4d267fe47fe56f92d8e58500457afa95661108e2b04f7fadcc13e753ba982ba5
PDF
Publication pagefc98587d98fe44b39d7e5dcb61d7639338b9f1c29e0f2c81e2abab0033eac530
Manifest0ae87580d0a3ce0f778d55309c7b0d64280739ba49efce163518a6c7eab51c9c

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
Signature8Y+LsZ4oRilKYkHTX80hW26zEY1XWkd6u20KaEBvw3mmAE5rv0heimSaTWNGoY7q9IcNbafx3ElR++0xAr8jAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:06.529981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083834
observed fc98587d98fe44b39d7e5dcb61d76393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.506797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083834/manifest.json
observed 0ae87580d0a3ce0f778d55309c7b0d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.481629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083834/publication.md
observed 4d267fe47fe56f92d8e58500457afa95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.460408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083834/publication.txt
observed baba18b05f01a81dcbdbf68fd8e29b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.460964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083834
observed fc98587d98fe44b39d7e5dcb61d76393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.442982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083834/manifest.json
observed 0ae87580d0a3ce0f778d55309c7b0d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.422628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083834/publication.md
observed 4d267fe47fe56f92d8e58500457afa95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.405457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083834/publication.txt
observed baba18b05f01a81dcbdbf68fd8e29b11...
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.