OpenTechnical

OT-2026-000067049

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000067049) never changes.

Identity and time

Publication numberOT-2026-000067049 · never reused
Internal UUID01a0ae8f-14fe-7c9b-9931-dba717031bb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067049
StatusPUBLIC

Content hashes

Canonical text401db0c8cc69647eb19748a11d254d7b153779706bc35df8c1c4a6dbd4ce7e49
Markdown3466951f2a8b9f688d8f1655b8972948d3b128c78170d3d92f729c1c062b7b98
PDF
Publication paged5577936320754a92ebd934d748dc0c85300fe5ccad82b3af52db1a800c9cc42
Manifest4cb2d342d9d8c77d20a2b26611ead5c846cb9d744599e39c239b372b4c9c9065

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
Signature5+V6RnKbiUZpziXk4FJXAoEiiAsmKuQvAIWPeV1xozlEKNGZMYvEYsss2HrGK9ZL+ZmZ5bddo6KeQxuiZLR8Ag==
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

2026-09-17T10:32:18.266045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067049
observed d5577936320754a92ebd934d748dc0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.239266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067049/manifest.json
observed 4cb2d342d9d8c77d20a2b26611ead5c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.215959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067049/publication.md
observed 3466951f2a8b9f688d8f1655b8972948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.196834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067049/publication.txt
observed 401db0c8cc69647eb19748a11d254d7b...
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.