OpenTechnical

OT-2026-000012013

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000012013) never changes.

Identity and time

Publication numberOT-2026-000012013 · never reused
Internal UUID01a0ae6d-1943-74e6-9462-35af184a914c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012013
StatusPUBLIC

Content hashes

Canonical text353f597b55e09741fe810f58cae845ef09c444296525ae6c8cad39f2d795c381
Markdowndb61ef298f67e843b339ef8039442230535ad8e25d989241c7e0c4a17424ea18
PDF
Publication page14286c56e985db0523f427306e3e2f211bbee9461d80b146750b345b05eb0dcb
Manifest8376b576e279db7086e4f0a107f96922bb592a09f029c9f808017e2e0ec52325

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
Signaturez7xR4NodF039Y0Q9kwxTz//ID5kEH6VOx5vq6lwGsX7heRMbU+nfCvVAjmhfjQ/pDHV0Bf5eJpcSOcz4wvRHBA==
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

2026-09-17T12:12:52.940209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012013
observed 14286c56e985db0523f427306e3e2f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:52.917909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012013/manifest.json
observed 8376b576e279db7086e4f0a107f96922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:52.899153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012013/publication.md
observed db61ef298f67e843b339ef8039442230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:52.880655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012013/publication.txt
observed 353f597b55e09741fe810f58cae845ef...
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.