OpenTechnical

OT-2026-000045473

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045473) never changes.

Identity and time

Publication numberOT-2026-000045473 · never reused
Internal UUID01a0ae7c-f76d-7895-bc72-3ee29f44a2da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045473
StatusPUBLIC

Content hashes

Canonical text964cab14bb03ebbbf11e55a6ff2108a21094ccee5c5f2db1d7065872164dad24
Markdowna301f1d87c546a44a35ca53a74708da8fce18ac4cec42ad2a99ad031fb80df73
PDF
Publication paged16301ea820175bfc9dad6ab944d7b1ab3f65649b95db4f7b870250a3705f5aa
Manifest550b754550494fb7acf790ba0d3ae48d45c9bf2f74c6a6cbf863fd1970253d7d

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
SignatureiN0DLK4iaJmsmRs+x5NtHTJ0jkaRi9xkiZbwDyp+o4MxXmye4s+/uRzojp3ILVRn49XeJwNHvZW+UcQxzBJeDg==
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

2026-09-17T11:10:47.186919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045473
observed d16301ea820175bfc9dad6ab944d7b1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:47.164526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045473/manifest.json
observed 550b754550494fb7acf790ba0d3ae48d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:47.137675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045473/publication.md
observed a301f1d87c546a44a35ca53a74708da8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:47.114344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045473/publication.txt
observed 964cab14bb03ebbbf11e55a6ff2108a2...
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.