OpenTechnical

OT-2026-000075169

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000075169) never changes.

Identity and time

Publication numberOT-2026-000075169 · never reused
Internal UUID01a0ae93-f1ff-7561-aea0-a919f4164b9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075169
StatusPUBLIC

Content hashes

Canonical text06e3549f11baf7a055b7ccd0e4da14cb137154b7859e60279447de19c6c5854b
Markdown5bf7fcac4e3e898de234addc0a7979fd7358f9544596fd14a6d2181cc6f1ee6e
PDF
Publication page4273e2c6df4147668d0945c33eb63ba5cf78801f4c906dec110ff1803d45afc3
Manifest11e843c990680df6fcab7046aebcd40e717a42484a095a780a532055928e652c

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
SignaturejcOwEH0IYVHgUXYo3s7ncMD7/lN66gfaJhxl4BpWd8BJEq3N/mGmE8d4XIRAEQ4d+HYpaQbJp1jKxhf2MQ0tAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:24.984004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075169
observed 4273e2c6df4147668d0945c33eb63ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.963795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075169/manifest.json
observed 11e843c990680df6fcab7046aebcd40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.943602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075169/publication.md
observed 5bf7fcac4e3e898de234addc0a7979fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.922112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075169/publication.txt
observed 06e3549f11baf7a055b7ccd0e4da14cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:32.463914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075169
observed 4273e2c6df4147668d0945c33eb63ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:32.444414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075169/manifest.json
observed 11e843c990680df6fcab7046aebcd40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:31.799145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075169/publication.md
observed 5bf7fcac4e3e898de234addc0a7979fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:31.780593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075169/publication.txt
observed 06e3549f11baf7a055b7ccd0e4da14cb...
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.