OpenTechnical

OT-2026-000097379

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, sustained 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-2026-000097379) never changes.

Identity and time

Publication numberOT-2026-000097379 · never reused
Internal UUID01a0aea1-01cb-7262-a0a0-a5f21f3a2b7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097379
StatusPUBLIC

Content hashes

Canonical text25253e0b82d4c4670873f24e6d4d2e6251ec276cd9c9a1ad615514a600ab8a9f
Markdownde72d9b76611c7feecb83d67e9a3aa9600432a09632db8700d6f595a02180f2f
PDF
Publication pagefb00265b052c2084988bbb619fa40ba3ec92be7d62d223422070ee4689547eb5
Manifest077b35367a886ba509ca48cb2955bdc7381bbd9582db00237dc071c40d8b46cb

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
SignatureeXdTWvONXKS6U6Q950Gi4X5D1gJXt4TCgXYvkOG1k2pZcXcuDTaLT8ETkC0WDC1SoqQq/PCwblou+W8CcQDIBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:39.547652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097379
observed fb00265b052c2084988bbb619fa40ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:39.527879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097379/manifest.json
observed 077b35367a886ba509ca48cb2955bdc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:39.510996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097379/publication.md
observed de72d9b76611c7feecb83d67e9a3aa96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:39.495071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097379/publication.txt
observed 25253e0b82d4c4670873f24e6d4d2e62...
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.