OpenTechnical

OT-2026-000023549

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000023549) never changes.

Identity and time

Publication numberOT-2026-000023549 · never reused
Internal UUID01a0ae70-7269-7dc7-901c-19b164982240 · 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-2026-000023549
StatusPUBLIC

Content hashes

Canonical textf7c0a48b6e482be3f1ffe2a1e1b7c058b41934c88c11502a875c1358e480172e
Markdown8e56ecea7c18391d891439ed8c6a48468b795b99012e0262e9b331e959d27c40
PDF
Publication pagef7c02df2f5f7ca9a8ba32d6138e85ef75830e12b2232a453b547689c29094f6f
Manifest2af947d6ae5eadc349a8d833dea748e8091bb26f7382129ae9d5e3bd896cfa17

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
SignatureidhcFAbcwG94W9CXgprtL/krl+7vwumVMvIwyFx++znvnFKEWN5A6QVIf5LNg7OHzRaZves8bmUjjbwvuXEAAw==
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

2026-09-17T11:51:53.592909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023549
observed f7c02df2f5f7ca9a8ba32d6138e85ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.573965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023549/manifest.json
observed 2af947d6ae5eadc349a8d833dea748e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.555193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023549/publication.md
observed 8e56ecea7c18391d891439ed8c6a4846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.535771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023549/publication.txt
observed f7c0a48b6e482be3f1ffe2a1e1b7c058...
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.