OpenTechnical

OT-2026-000017643

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000017643) never changes.

Identity and time

Publication numberOT-2026-000017643 · never reused
Internal UUID01a0ae6e-96f9-7be4-b5c1-59271e0e081a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017643
StatusPUBLIC

Content hashes

Canonical textc2c985a9885a1c473dccfabe37f6ba4700426bf6a452bd048e14bed393104bcb
Markdown5e3edabc4e26b52b96af6cb0a96c189e6da834afb81d845e23df67fa656db930
PDF
Publication pagee708e23acb483eb3c41e085e8ea34ece17b99e301d394993f7c1bfe9fe648882
Manifeste26dcdecd3fa218deb926e5f94048c10cab13611d95940956b1c48a1f9c1886b

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
Signature8zmiNXnrW9yks+kXfG0sqfvjsYbaK2UybgcW0ainEWBcwTTHNaAO1oLwTv5Pg25k4sdEN2Lzwbc+zWsyh26yBQ==
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

2026-09-17T12:01:27.519350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017643
observed e708e23acb483eb3c41e085e8ea34ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.503375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017643/manifest.json
observed e26dcdecd3fa218deb926e5f94048c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.483880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017643/publication.md
observed 5e3edabc4e26b52b96af6cb0a96c189e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.465390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017643/publication.txt
observed c2c985a9885a1c473dccfabe37f6ba47...
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.