OpenTechnical

OT-2026-000041941

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off after 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-2026-000041941) never changes.

Identity and time

Publication numberOT-2026-000041941 · never reused
Internal UUID01a0ae79-e8a6-7258-94cf-b3fca225cc6b · 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-2026-000041941
StatusPUBLIC

Content hashes

Canonical textd742c4a8fac6a08d83af05f39a11db312cba8ae088a6159d93ab725dacef3903
Markdown31e5b8bc6bc60124012b6264f3fb2f138e4736257fc0a07cb4afaa288d50e4ce
PDF
Publication pagecf7a20622dffdac203c8bca3e4adb563cba813fd9a6aa1c2e50cdbe6d4d337f6
Manifest7ddf7e1ac6bfb5e048c797245db7f00e8bf4197c9e57fbe3ff6afefd6f2ef1dc

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
SignatureHJ/gzZaLmd4zvlc4gAxclza3VpP5p20s4AlO1pAmq8DJ/J3lUL3vmvINA+UBjWvcs8C7xIv3Xb+mloMPDAzpCA==
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

2026-09-17T11:16:49.808817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041941
observed cf7a20622dffdac203c8bca3e4adb563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:49.792615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041941/manifest.json
observed 7ddf7e1ac6bfb5e048c797245db7f00e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:49.776115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041941/publication.md
observed 31e5b8bc6bc60124012b6264f3fb2f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:49.759837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041941/publication.txt
observed d742c4a8fac6a08d83af05f39a11db31...
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.