OpenTechnical

OT-2026-000050039

Publication integrity record

Two cup vacuum gripper, two 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-2026-000050039) never changes.

Identity and time

Publication numberOT-2026-000050039 · never reused
Internal UUID01a0ae81-fd78-7760-b47e-ab2cd315970f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050039
StatusPUBLIC

Content hashes

Canonical textb2671a86e974f6c968b22af0869e91ec9985121d62471e2ff13c997dd9f8e7d7
Markdown2110c0d45db07cd4d9496d4e84a132a1117e6a2f9563b6339b6880d8ee86cee6
PDF
Publication page95b9d5556163f0fac3ab4ce5cb3b463ec72fc8e049915ebe1ae410ef3a4b77b1
Manifest59c946c4a251579514d600d684ad62164d6769a58a05057e7564950feb14a84c

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
SignaturegcYi74EgwnTXi23OIR8rSKMmEUv911NwqNd3WJ3M2sKN6+uSEydAlW+cj3TI7GgK4uZ1PS8dWDpDDbKHMP+DBQ==
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

2026-09-17T11:02:00.921936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050039
observed 95b9d5556163f0fac3ab4ce5cb3b463e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.902899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050039/manifest.json
observed 59c946c4a251579514d600d684ad6216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.885206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050039/publication.md
observed 2110c0d45db07cd4d9496d4e84a132a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.866365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050039/publication.txt
observed b2671a86e974f6c968b22af0869e91ec...
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.