OpenTechnical

OT-2026-000007359

Publication integrity record

Vacuum cup gripper, common isolation valve, plant vacuum fed, vented after set down, silicone cups

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-2026-000007359) never changes.

Identity and time

Publication numberOT-2026-000007359 · never reused
Internal UUID01a0a97c-0070-7f8f-a310-9301f40481eb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:11.218755Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007359
StatusPUBLIC

Content hashes

Canonical text03653291cb117717683f5e728a94b87051b47d75d883e742b4a27bd7d7b66e7a
Markdownbf8f04f1748b256ac6d5175cf7654fea37e2fa9fd0851bbc5eccc8c69516ab07
PDF
Publication page5290d3cda0b5ea19743c8d72435d86cef843ecad8860cd10a28ad560c059b76d
Manifestb76065762a34bd5b6f8e7fb562b2f530a610811d93bafeff82c8f3388619aab8

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
Signatureh7S8lorfAaMl2Y6+osd+7CMjipIOzuqC6Y2n/gQ/mod18LW88L44hYan1J0oXrRKR3fXB7zWdUJfsI3kTT80Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:09.778053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007359
observed 5290d3cda0b5ea19743c8d72435d86ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.764545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007359/manifest.json
observed b76065762a34bd5b6f8e7fb562b2f530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.751610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007359/publication.md
observed bf8f04f1748b256ac6d5175cf7654fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.739185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007359/publication.txt
observed 03653291cb117717683f5e728a94b870...
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.