OpenTechnical

OT-2026-000029032

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000029032) never changes.

Identity and time

Publication numberOT-2026-000029032 · never reused
Internal UUID01a0ae73-2a9f-78ea-b8da-5dee3d770d7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029032
StatusPUBLIC

Content hashes

Canonical text8b60a772be05da507e681affff32407ae00e6818aafe930dea28bc4ac6888b87
Markdowne31ef60928acfe695a18f2306aff13abbd7ef9cddd9091754f3a2b1fdacab0de
PDF
Publication page9b904569928a48d190bceb750af3f266a474e5ec1ab45bb8c7356410829bf460
Manifest6ec6d33a6dd4cb06a1fb8667ac2e5747c6f9395878bcd60d2f5ab15a6ae881f1

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
Signature8votV5z1aeE59ZqptHCrIz19TMyBiB5opRKbV4Dh4zjrGF0sFPud9W0To/ZW86tyxucWs+r0TmZl3ChYvv4aAQ==
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

2026-09-17T08:20:38.452468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029032
observed 9b904569928a48d190bceb750af3f266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:38.433649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029032/manifest.json
observed 6ec6d33a6dd4cb06a1fb8667ac2e5747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:38.284554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029032/publication.md
observed e31ef60928acfe695a18f2306aff13ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:38.265387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029032/publication.txt
observed 8b60a772be05da507e681affff32407a...
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.