OpenTechnical

OT-2026-000023987

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed blow-off before set-down, on a tool changer

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-2026-000023987) never changes.

Identity and time

Publication numberOT-2026-000023987 · never reused
Internal UUID01a0ae70-aed7-7c73-b7ca-cdea7d9c9e0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023987
StatusPUBLIC

Content hashes

Canonical textbfdf784e318b9d698cdfc966e2a19bda712113015e0eb5fcb1eb2aaede2a74c4
Markdown520f672254a1488a5fadebe16670be9fdc3513ffe108c66b4e38ea116d207479
PDF
Publication page263813c9cf384429953592d4ee450846bc42c9b943771899dbfef759e4fb2b06
Manifest4ede31265acce40ef9e3eeea6d8ee03f89190feea379e5a74e11955aae947c83

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
Signature6D+0GCEZqEgimBVI9ip7XMobe3jz60ztbRpG5slDqPaIfrG5r5cJtXCi9qafGqRVozNrVoUuUK5tNltTDarwCQ==
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

2026-09-17T11:50:45.381583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023987
observed 263813c9cf384429953592d4ee450846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.363880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023987/manifest.json
observed 4ede31265acce40ef9e3eeea6d8ee03f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.345110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023987/publication.md
observed 520f672254a1488a5fadebe16670be9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.320468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023987/publication.txt
observed bfdf784e318b9d698cdfc966e2a19bda...
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.