OpenTechnical

OT-2026-000050772

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000050772) never changes.

Identity and time

Publication numberOT-2026-000050772 · never reused
Internal UUID01a0ae82-c7b1-750d-af98-ce74e41cbae1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050772
StatusPUBLIC

Content hashes

Canonical text558aa63dafeba0227477f5cc632c14f72d7b7cf8e2d3dadc434d03358b8f55f8
Markdown3d023024e3513493ef75e323a507aba07dad1c4ae9c028f847ac3d6bae96cf2b
PDF
Publication page52a7e271b6e66f619235e5fe960239aaf6fcf47e340f22682b0d93d763a82aac
Manifestc11013cf740d6318407e91548d9ab9c5a7c2187966fbcf1985e28e2766aad720

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
SignatureCkUbWZdS9KkpdlvDqrjDKemL2695wXg6UPQ5lY8C6OOnTnYbU5/qGp2VDB2N+gRcXbkYHYDcR0SHTcYdynTyBQ==
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

2026-09-17T11:00:16.482057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050772
observed 52a7e271b6e66f619235e5fe960239aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.457802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050772/manifest.json
observed c11013cf740d6318407e91548d9ab9c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.439231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050772
observed 52a7e271b6e66f619235e5fe960239aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.426020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050772/publication.md
observed 3d023024e3513493ef75e323a507aba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.415103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050772/manifest.json
observed c11013cf740d6318407e91548d9ab9c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.406161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050772/publication.txt
observed 558aa63dafeba0227477f5cc632c14f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.395006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050772/publication.md
observed 3d023024e3513493ef75e323a507aba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.375032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050772/publication.txt
observed 558aa63dafeba0227477f5cc632c14f7...
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.