OpenTechnical

OT-2026-000042207

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000042207) never changes.

Identity and time

Publication numberOT-2026-000042207 · never reused
Internal UUID01a0ae7a-5d72-7811-a734-0e03ebcb52ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042207
StatusPUBLIC

Content hashes

Canonical text4607d67011f2121a03bbfe81a6e60250f03d299f10b6d1386f3bb0bc8c498d5d
Markdown392e37899419d961501ff3162f9fba1bcabf7cf13faa6b325736e56a496c0acd
PDF
Publication page5190cce0033c0d82605435322394855d19f264a24f5a2f1464554ff54a41373b
Manifest8eacd7e81dc6d3222843d8a8cb73113ef15c30352f7bbfc9f7c31d3a6126dd8a

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
SignatureWZFYGrZ764MR1R1cxdHBNOr/X9hG6WOeyOIv4pZTvCOZOyUyCM+0pQJyKePQSugeqQVGgSq/fV8zUhGWyrLQBg==
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

2026-09-17T11:15:52.542141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042207
observed 5190cce0033c0d82605435322394855d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.522887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042207/manifest.json
observed 8eacd7e81dc6d3222843d8a8cb73113e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.504115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042207/publication.md
observed 392e37899419d961501ff3162f9fba1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.487157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042207/publication.txt
observed 4607d67011f2121a03bbfe81a6e60250...
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.