OpenTechnical

OT-2026-000033680

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000033680) never changes.

Identity and time

Publication numberOT-2026-000033680 · never reused
Internal UUID01a0ae75-a390-70fa-8a7c-9b2b4f064cf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033680
StatusPUBLIC

Content hashes

Canonical texteb17cbff367b455d2e6d2e2c7a844630f45252a32de6e259bea876bf0304f05a
Markdownc95a206f9f6c769fe88ede2c50efbb2ca0f0c8d9f0e385c9c83a8e6a6cc7c165
PDF
Publication page559c6f66335a0325ef0460b317149e4f243b00eab768859da13095fb27c9cebf
Manifest06751ab640b30682077f90d75a11eb3fd3b43073c511fb24c9ba49c42af113cf

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
Signaturef1VY+le74RZ3zf5jO8nNbEl31sp0lbaCnSRdLBQaqdl7k+4XrMVYkglMrAIplnQgZJFFWjVZo1RcP8k9FCkVAw==
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

2026-09-17T11:31:40.312230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033680
observed 559c6f66335a0325ef0460b317149e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.295739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033680/manifest.json
observed 06751ab640b30682077f90d75a11eb3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.279437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033680/publication.md
observed c95a206f9f6c769fe88ede2c50efbb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.264017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033680/publication.txt
observed eb17cbff367b455d2e6d2e2c7a844630...
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.