OpenTechnical

OT-2026-000050811

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000050811) never changes.

Identity and time

Publication numberOT-2026-000050811 · never reused
Internal UUID01a0ae82-c7b2-7d59-8e01-b0c3a4d518b2 · 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-2026-000050811
StatusPUBLIC

Content hashes

Canonical text2cd8551622fcb5812ee64f9cd6b556be8b60716b81121fded150aa9959f89ce1
Markdowna5e43519087ded742a399c114457ec5e496084e99a15545093453dc7a80ba100
PDF
Publication page96c41197ebce3825a8bd33c4e502a9d29fc2fce0f46be38a504db4d39ac1deef
Manifeste499bc814ad9d40db681e7f05e5df292259e2a1c0e0ae680084c9115532a18b1

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
SignaturefKRxmG9sBdHsyRhow9aph4dyZY2T5zei+7dUEYqV+KQk0WqIhBNvNccXqrw7WhJ4TrL7saSRU4kMX+Ol5xIuBQ==
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

2026-09-17T11:00:21.228879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050811
observed 96c41197ebce3825a8bd33c4e502a9d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.198205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050811/manifest.json
observed e499bc814ad9d40db681e7f05e5df292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.165342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050811/publication.md
observed a5e43519087ded742a399c114457ec5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.128920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050811
observed 96c41197ebce3825a8bd33c4e502a9d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.126783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050811/publication.txt
observed 2cd8551622fcb5812ee64f9cd6b556be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.088785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050811/manifest.json
observed e499bc814ad9d40db681e7f05e5df292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.052048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050811/publication.md
observed a5e43519087ded742a399c114457ec5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.026375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050811/publication.txt
observed 2cd8551622fcb5812ee64f9cd6b556be...
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.