OpenTechnical

OT-2026-000041199

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000041199) never changes.

Identity and time

Publication numberOT-2026-000041199 · never reused
Internal UUID01a0ae79-b143-7a92-8d9e-873b993be3f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041199
StatusPUBLIC

Content hashes

Canonical text935b91b6ed4d386fdb373f72bb0eee6b870a5170ee81220f3a00fe90315df271
Markdownf64718728ff7f8bf820086e8314c553678e560aa1e51275df1e89759d3c3a1db
PDF
Publication pagee7605ba87a511bf94592e71cc756b53d9131ed2c57e3b61d29a2a0b27307edff
Manifest004210eb14235cbaf598e2903f19001e423ddebe5286fa21be0059d5b40eff6b

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
SignaturegAU1a4+OcKABFN6ecM+SwmZvWvD7jmmpeB3zqvDtvnQFemrEfBTYh8rjC8ulrJQKG36tZZSISK0IvEGkKri9Bw==
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

2026-09-17T11:17:09.305457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041199
observed e7605ba87a511bf94592e71cc756b53d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.288393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041199/manifest.json
observed 004210eb14235cbaf598e2903f19001e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.271343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041199/publication.md
observed f64718728ff7f8bf820086e8314c5536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.253924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041199/publication.txt
observed 935b91b6ed4d386fdb373f72bb0eee6b...
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.