OpenTechnical

OT-2026-000041731

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold 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-2026-000041731) never changes.

Identity and time

Publication numberOT-2026-000041731 · never reused
Internal UUID01a0ae79-e8a1-7d1e-909c-bee2110fff98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041731
StatusPUBLIC

Content hashes

Canonical textb5e1b9cb21857e1ef33d645b27b5a14ebd68f70cd07f8daf469e96daf88ded91
Markdownb7371f94c6cc7a3e2eae286e391e23a0035beca74dde6246296f0d88969f7a1f
PDF
Publication pageffa0fb4d4853c378983ce9162c909e8e3ad8baea0ad22cc9aab6fa59bfcdf93e
Manifest8dc412cb856d0a0dae6306caf2b614428ce5b516e2de50c1cf6aaeece92c6324

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
SignatureDWTtY4hlkgdve+LSQc2bPWdkuEOSvdvg3CCZbNGOfH/vljc8Kz3c/2hqGsZIiwSNvlksC5/nbBevEPWxFYHjBA==
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

2026-09-17T11:16:34.359718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041731
observed ffa0fb4d4853c378983ce9162c909e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:34.342727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041731/manifest.json
observed 8dc412cb856d0a0dae6306caf2b61442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:34.324805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041731/publication.md
observed b7371f94c6cc7a3e2eae286e391e23a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:34.307513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041731/publication.txt
observed b5e1b9cb21857e1ef33d645b27b5a14e...
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.