OpenTechnical

OT-2026-000072794

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000072794) never changes.

Identity and time

Publication numberOT-2026-000072794 · never reused
Internal UUID01a0ae92-89da-725b-ad23-fcaadd0acfb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072794
StatusPUBLIC

Content hashes

Canonical text264de1bea114486e1689a2b6bcc8cd674d8ddfd8fcc6fd49939ce122fb7d9a6c
Markdown1e26852ff60c4b167f70b57f5bce6828ac5789d0c98ee44a825fda0dcc40e8e9
PDF
Publication page12931eb2cc25343d79fdf468a68e6dbdbf359c1ce32c0289a5d1ecf0cb4e2d6d
Manifest5ad8803f8e27e2a82f46c232f0ffffeaff4c0c90a660fcbffb5f6e4252032fb1

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
SignatureUgh+WEfpeQzXYhWEFvMXRyF7J03YyOhyu/WmQ9gdSdCTQWSY5SZA1KX3/gqIXWBOUw3q1MD0xM2AUfPOKscyDg==
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

2026-09-17T10:22:42.413869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072794
observed 12931eb2cc25343d79fdf468a68e6dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.396293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072794/manifest.json
observed 5ad8803f8e27e2a82f46c232f0ffffea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.378634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072794/publication.md
observed 1e26852ff60c4b167f70b57f5bce6828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.360499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072794/publication.txt
observed 264de1bea114486e1689a2b6bcc8cd67...
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.