OpenTechnical

OT-2026-000100417

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000100417) never changes.

Identity and time

Publication numberOT-2026-000100417 · never reused
Internal UUID01a0aea3-66ef-7d04-a730-fa9dc74f62ed · 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-2026-000100417
StatusPUBLIC

Content hashes

Canonical texte5513ca6757cdbe92422e4346fc70592f7b9d7c982d7c7b05ae1f2c4e5adef8e
Markdown8ceb290c59332156e2c98da5b91302b94d4b199eda081a159872341242a8ec65
PDF
Publication page3bd416bc41f29efe5fe32cddf4cefaf84915774f660683a9c424f89fd48fabef
Manifest8df29dd13420f1715a5eb8a43019c68ae868f340e5d3b263608e316d5531c982

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
Signature+z9dVUKPShus1MGcnCA6USHIm0qgm7O0SuYDkNLKBEwvYWtybiaRKEnZelPp2fYIl9pJWZBoJsddxkpmgU8YCw==
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

2026-09-17T09:27:09.521785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100417
observed 3bd416bc41f29efe5fe32cddf4cefaf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.503841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100417/manifest.json
observed 8df29dd13420f1715a5eb8a43019c68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.486691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100417/publication.md
observed 8ceb290c59332156e2c98da5b91302b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.467702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100417/publication.txt
observed e5513ca6757cdbe92422e4346fc70592...
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.