OpenTechnical

OT-2026-000016576

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000016576) never changes.

Identity and time

Publication numberOT-2026-000016576 · never reused
Internal UUID01a0ae6e-2d14-7ddc-bb04-c75becdef6e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016576
StatusPUBLIC

Content hashes

Canonical text6769231d28d6aebdf28772a7dd0f4ecf8e1cbbea055dd7c5c52069678013e49f
Markdown825a04a8350430c7a8a86375b4be6a45c84e6f53d9cc4e91f2c5eacac421a8b0
PDF
Publication page08d9b0d875d60f253d27c36513c95fcee0c30c3210e390a6e860e6db70eaa1f5
Manifest695b0591f199ed3c8a6b59a9a6f79fb1f61e091050fb925426d7a786bae0afe0

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
Signature6GGF+erF5CC5Dxrz6OuwqaaU6969w9KI/CMVhps1SmUC8clKYoXwknCUI49Zc7jZWYJUumqV5F1wqBd8BRDLBw==
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

2026-09-17T12:04:48.550115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016576
observed 08d9b0d875d60f253d27c36513c95fce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.532103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016576/manifest.json
observed 695b0591f199ed3c8a6b59a9a6f79fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.515353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016576/publication.md
observed 825a04a8350430c7a8a86375b4be6a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.496087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016576/publication.txt
observed 6769231d28d6aebdf28772a7dd0f4ecf...
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.