OpenTechnical

OT-2026-000023166

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, sustained 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-2026-000023166) never changes.

Identity and time

Publication numberOT-2026-000023166 · never reused
Internal UUID01a0ae70-7267-7d98-b292-1b2ea3c1f743 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023166
StatusPUBLIC

Content hashes

Canonical text143e7034c16f6d1c2ef7bd2f6638bdb19c6b982524068e73135c752e54b5b6e6
Markdown64f9c488a5b1fcdea91ebd72b550b1efaf4c2982458f33d118578423d21b3aa4
PDF
Publication page40723f837c521dc45824a923cf64bb58ae84d859d19419ed515c80c950d45c87
Manifest6dce426555dc7475ed9c780dc3dc7b3fabe3b820f9b7d39a767e227ab7d0eb00

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
SignaturehfTM8C0UpGZu39/npquB/2XDXMIxSRTtc0c0rl4mv8KSrlDMcVm43XfLEUk2UkrOc7mtElOigz3Ni2zHeEnpAw==
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

2026-09-17T11:51:06.454629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023166
observed 40723f837c521dc45824a923cf64bb58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.435451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023166/manifest.json
observed 6dce426555dc7475ed9c780dc3dc7b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.416583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023166/publication.md
observed 64f9c488a5b1fcdea91ebd72b550b1ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.400137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023166/publication.txt
observed 143e7034c16f6d1c2ef7bd2f6638bdb1...
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.