OpenTechnical

OT-2026-000043543

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000043543) never changes.

Identity and time

Publication numberOT-2026-000043543 · never reused
Internal UUID01a0ae7b-92cf-77b9-be42-745dc1d3d3b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043543
StatusPUBLIC

Content hashes

Canonical text38484052d8eee55869f99f6f9589a6271d01c509072a1570cd7bfb355c3b8950
Markdown3ec61ca53885cdf80e7cf45fe13762c9fdc94ba4c3897b2c687afc23529fa178
PDF
Publication page9a5857d0fd5b639e300bd2fcb9367f80fe8db9da02da9bf0bb1f6d81de3ab899
Manifest5774a8a18e9d67459787a6b57cf4b0bb369b235f6806ddf20e4c35255271f3ab

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
Signature2xGJEDw8/tk+Pqq3g9USkpEpyRfGYMViEqY+4Yc0KlQlVXXAw0WPgG/WYqCQWm5H5G8o1126zMvRCWN8e87YAQ==
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

2026-09-17T11:12:55.684881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043543
observed 9a5857d0fd5b639e300bd2fcb9367f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.664747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043543/manifest.json
observed 5774a8a18e9d67459787a6b57cf4b0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.642281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043543/publication.md
observed 3ec61ca53885cdf80e7cf45fe13762c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.622938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043543/publication.txt
observed 38484052d8eee55869f99f6f9589a627...
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.