OpenTechnical

OT-2026-000011181

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000011181) never changes.

Identity and time

Publication numberOT-2026-000011181 · never reused
Internal UUID01a0ae6c-540f-72ae-8499-b4d6dc4e793f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011181
StatusPUBLIC

Content hashes

Canonical text0d7df8affb79a42e28ac13a6509dd51683e1b65b4e05be9b4239a773f4af36d7
Markdowncc21d0af0f8c69b4b80055cb933e10053b260297c80cb694deeb67381374a511
PDF
Publication paged609010f80e77ec13e1f0370e7e9a2b29971f63a9ee8a7aa0f58b9c2cd00b162
Manifest78f926fff4b136ff6918dbdf391bc874c8f7659f53097a00511bb6293ee7d28d

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
SignaturekMCuqEK8x3BIEH8emOq+Yi9D4B+/15j3Eopcc497xbUCvMjiXdjf/nCygIIHVMY5VVNg98ID4pWjifDNrQnrDg==
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

2026-09-17T12:14:07.346389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011181
observed d609010f80e77ec13e1f0370e7e9a2b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.324468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011181/manifest.json
observed 78f926fff4b136ff6918dbdf391bc874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.304271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011181/publication.md
observed cc21d0af0f8c69b4b80055cb933e1005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.284672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011181/publication.txt
observed 0d7df8affb79a42e28ac13a6509dd516...
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.