OpenTechnical

OT-2026-000032739

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000032739) never changes.

Identity and time

Publication numberOT-2026-000032739 · never reused
Internal UUID01a0ae75-1071-7d49-ab39-e5f3a8eeee60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032739
StatusPUBLIC

Content hashes

Canonical text878e17d75e4354f90d72db2790eb27bd284666f9830e9ab2e20d063f1f639d1b
Markdownab8e3bebedb796a16b264932dabaec47b556a25287300b7bd3f93d3a0c00ce28
PDF
Publication paged11f0cffbf7db29e7c97fe060e61c02462de3d4be53c3b521842fae8e20e2011
Manifestc00420494ccec1d1ec4172521572275e072d88c3b7b42b9a5a26fd8bd2a63cb0

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
SignatureMm9WTIwF1+nTgt1DaoyTImiUUtp6OjXckm1s4P6u0hzDbBdUiZto6IxFmlGlr/vHILF82/GGKaZTi+jR/V16CQ==
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

2026-09-17T11:34:21.643426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032739
observed d11f0cffbf7db29e7c97fe060e61c024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:21.623319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032739/manifest.json
observed c00420494ccec1d1ec4172521572275e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:21.606203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032739/publication.md
observed ab8e3bebedb796a16b264932dabaec47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:21.590142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032739/publication.txt
observed 878e17d75e4354f90d72db2790eb27bd...
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.