OpenTechnical

OT-2026-000006694

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, plant vacuum fed, plastic cups, three fold

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-2026-000006694) never changes.

Identity and time

Publication numberOT-2026-000006694 · never reused
Internal UUID01a0a964-319c-7fba-b607-2bf0b3fd49cf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:45:10.942663Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006694
StatusPUBLIC

Content hashes

Canonical text3558b1763ba011931bf02386f6e23cae9404ab477325b9a2f6c00ab1df7752f7
Markdown2a8267a25235f3fac6c790b8f31c5bffa011d2308808c01c1ac496d07c3141c7
PDF
Publication pagecd527d8c7b7a0ae436b19fde7f1b6cc0e6cef849427fb936d65a3007c0c4887a
Manifestb682d8b13ff8a2572a30b6312a432c77898efd4a206fcc1239bc9df7a78a3045

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
Signaturew4hk5kilhDEAdaEobOtA/8sgTzZckgvvwHQFY+4LH7MUmTsmk1UGFP4AcHGJALZjCpBi2Vz7XJ93HxwPY4luBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:16.459751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006694
observed cd527d8c7b7a0ae436b19fde7f1b6cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:16.446251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006694/manifest.json
observed b682d8b13ff8a2572a30b6312a432c77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:16.431822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006694/publication.md
observed 2a8267a25235f3fac6c790b8f31c5bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:16.419524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006694/publication.txt
observed 3558b1763ba011931bf02386f6e23cae...
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.