OpenTechnical

OT-2026-000067681

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000067681) never changes.

Identity and time

Publication numberOT-2026-000067681 · never reused
Internal UUID01a0ae8f-6bdb-7372-95bf-166428c32578 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067681
StatusPUBLIC

Content hashes

Canonical texta468fa87ab0b6457069f6e4193c7493d137d90e554f3660a12d7c241996eec57
Markdown4aaa7c926ceb569ce4b1bd709ae26b2cb8eebd3b430c8faa97f0c1982697a9bd
PDF
Publication page42a4a4159d54d313f14f33fa3c014a77109b7a7bd287b03e94313363ff602728
Manifeste998864c6bb6783c1d7bd2776b110676758d22cc6e664d7c94b1532292cbd583

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
SignatureLC7IlI8LOMhgQ7EhjHgHDUtI674KHDZ4+S95iE4Xy+HJiNehY8F99PPwHAx5z7xL0EHSptbJiqRgmevvkIJ3Bw==
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

2026-09-17T10:32:01.144974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067681
observed 42a4a4159d54d313f14f33fa3c014a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.126823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067681/manifest.json
observed e998864c6bb6783c1d7bd2776b110676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.109821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067681/publication.md
observed 4aaa7c926ceb569ce4b1bd709ae26b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.090819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067681/publication.txt
observed a468fa87ab0b6457069f6e4193c7493d...
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.