OpenTechnical

OT-2026-000050495

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000050495) never changes.

Identity and time

Publication numberOT-2026-000050495 · never reused
Internal UUID01a0ae82-5c49-7286-a8c2-c437b2a95ad9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050495
StatusPUBLIC

Content hashes

Canonical text9f314f60059a85acdf73453ffd8a62e80ee19189aa8ad78c1afb2cea76868970
Markdown38d459485e0fd6a9236c462459b88b89618226f5b8ff0fd68b12d96a38b0bbbe
PDF
Publication pagedb2fcc3c24636ee200cc3b433a53a2632ad4c984939c1b1e0361c07d9948e859
Manifest9169991ac64759c85ddf1304357d3dd3961e9edd7df7c58b623d0bda1a74a160

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
SignaturemzZVWJEXyuftUnKI7AGDA6RpnFK+xe4O6pTQMf+C8IWXOPSYMImQBO0wh2Kq7QBOBAbwJ6Bo841ITl5Er7QYDw==
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

2026-09-17T11:01:33.084017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050495
observed db2fcc3c24636ee200cc3b433a53a263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.068138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050495/manifest.json
observed 9169991ac64759c85ddf1304357d3dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.052703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050495/publication.md
observed 38d459485e0fd6a9236c462459b88b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.037305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050495/publication.txt
observed 9f314f60059a85acdf73453ffd8a62e8...
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.