OpenTechnical

OT-2026-000048165

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000048165) never changes.

Identity and time

Publication numberOT-2026-000048165 · never reused
Internal UUID01a0ae80-4de2-7895-bc3b-34eec7681152 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048165
StatusPUBLIC

Content hashes

Canonical textfc20c04ca5c34a8352ed58dbacd7420f6a32bc24eec085ec14a58b9c423f8fce
Markdown372e3066148e32e5fe3079507bf3519b0e1f599a7c941c8857650b69e7ecbbb7
PDF
Publication page9f08248a73c68f6d21d521b85d9de4d4006e47dae3dac2794f85e9576b51d6c4
Manifest003446f0830d3a32e41db59287e00c1fc139c503d3b42bb52be4a3ba6275eabf

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
Signature8my4SYan72i0AMtKdQgbH+EthmsG+Bk64KzkSOaJaj7VBOZGfLEFiZqc5sfdPgQC4HHlKdPofOF9JU/BB3J4Bw==
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

2026-09-17T11:04:41.854116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048165
observed 9f08248a73c68f6d21d521b85d9de4d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.836122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048165/manifest.json
observed 003446f0830d3a32e41db59287e00c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.817686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048165/publication.md
observed 372e3066148e32e5fe3079507bf3519b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.797007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048165/publication.txt
observed fc20c04ca5c34a8352ed58dbacd7420f...
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.