OpenTechnical

OT-2026-000043804

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000043804) never changes.

Identity and time

Publication numberOT-2026-000043804 · never reused
Internal UUID01a0ae7b-d676-7e0e-a6d3-f0d0c84b6636 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043804
StatusPUBLIC

Content hashes

Canonical text8caab3ea42ab94b50d2fc69463d1170942ee075bdc824a70f5ef4e676859e6e9
Markdown4d0d8a726f2d4722212b03f19e507292db03b0c792b2a50a9f53b93695a8db6e
PDF
Publication page391f9e7eb9175afc67355f4b991973d956eae92ce890b714b1bb4514468e8a5d
Manifestff1889b460db64a657e174a09a727b0d09ef72d4971ba971cfbf4e83ad5c13c3

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
SignatureFntVpJ+VvKvGelZZvAS0LGSONdQGgrZUNrzbUCAjHHAIJZr8UnRiZSdgykHA1l6TZP31hZ+IRHP0VwflebVUDQ==
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

2026-09-17T11:12:06.431201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043804
observed 391f9e7eb9175afc67355f4b991973d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.412770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043804/manifest.json
observed ff1889b460db64a657e174a09a727b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.392282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043804/publication.md
observed 4d0d8a726f2d4722212b03f19e507292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.372378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043804/publication.txt
observed 8caab3ea42ab94b50d2fc69463d11709...
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.