OpenTechnical

OT-2026-000100460

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000100460) never changes.

Identity and time

Publication numberOT-2026-000100460 · never reused
Internal UUID01a0aea3-66ef-7a68-adec-76cbd38c5269 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100460
StatusPUBLIC

Content hashes

Canonical texta06d6bece1da468db2bd7c68aafa34d02935d5e2f0081c25403ef2d80ad6e78f
Markdown78ec6a3fef41531e5777670db2b1b141ba93a15c8cfa21598b9b9af386e875e3
PDF
Publication pagebb8cc7f4f9c7d06b35129260778622483f815c04d800c61c85ab91831f0abd91
Manifestf7de5bf485d95e407d709ff5cc0367494de92af35c146756bb17bc2043f2ae2e

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
SignaturemscCUH4iK3XOQpSYknLX81lDRik4oEUcGFvhgUR0IK0znHz6BxXhW/ahyo1/8649z4h6qXm9JjWYqDnfMvuGBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:12.560063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100460
observed bb8cc7f4f9c7d06b3512926077862248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.543350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100460/manifest.json
observed f7de5bf485d95e407d709ff5cc036749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.525004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100460/publication.md
observed 78ec6a3fef41531e5777670db2b1b141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.507542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100460/publication.txt
observed a06d6bece1da468db2bd7c68aafa34d0...
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.