OpenTechnical

OT-2026-000006584

Publication integrity record

Vacuum cup gripper, common isolation valve, pump fed, vented before 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-2026-000006584) never changes.

Identity and time

Publication numberOT-2026-000006584 · never reused
Internal UUID01a0a960-6115-798f-959b-b738fda61a85 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:41:00.952612Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006584
StatusPUBLIC

Content hashes

Canonical text1f284ab26f9cae03fc1281b9fcf116e2e8f3484f7b58343f92b250a12fb38867
Markdown6d3b7961086b103fc27e9282fdab6c509d8afb8c3c92438910615be097ea03c7
PDF
Publication pageb991f06ae4a7c9dc9f12315e261ff5e6e1bd8e5425116a3754f7d733e78c7d38
Manifest2fc0e58358c51b3a03203885519d390ac0af51b5e9f775b7a069664843585085

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
SignaturekGwM/tmjq48ZvoJPYUblRO0eTGVU3jabd7jiOe3q5ASseSSv2Xgm9IETBKC4Rrv/AYNNMZ7CD7JEo9qrmGj5DQ==
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

2026-09-16T08:50:28.392944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006584
observed b991f06ae4a7c9dc9f12315e261ff5e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:28.377838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006584/manifest.json
observed 2fc0e58358c51b3a03203885519d390a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:28.245187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006584/publication.md
observed 6d3b7961086b103fc27e9282fdab6c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:28.232007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006584/publication.txt
observed 1f284ab26f9cae03fc1281b9fcf116e2...
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.