OpenTechnical

OT-2026-000018907

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pulsed 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-2026-000018907) never changes.

Identity and time

Publication numberOT-2026-000018907 · never reused
Internal UUID01a0ae6e-d522-7f60-bbbe-6fadd4976285 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018907
StatusPUBLIC

Content hashes

Canonical text403d4a884bb4add1fad43e6899fc5b2c81edf7917141eb2ceff109bb58783e63
Markdownb0a3790cc5b474002bf97bcacffb2be5045a767f26aa26890122e66e5daca147
PDF
Publication page9a670913e78a667e68426b60546c31a5ee6546cb81b87de961ece6a0a49546c3
Manifestb18a34a98878ee9df6cebb16e906168e61e7b38bda86a42e8c30232e0ea7e658

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
SignatureTZ9TuYiXT7EKD2OOE7wQZ3XYGJmEhLEcmApNtieuPJdR974dgDwx8vMeOnvanOfXYe7V3tuNllgX6JfrYqHyAA==
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

2026-09-17T11:59:33.847766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018907
observed 9a670913e78a667e68426b60546c31a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.830822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018907/manifest.json
observed b18a34a98878ee9df6cebb16e906168e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.812912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018907/publication.md
observed b0a3790cc5b474002bf97bcacffb2be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.796302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018907/publication.txt
observed 403d4a884bb4add1fad43e6899fc5b2c...
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.