OpenTechnical

OT-2026-000050051

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000050051) never changes.

Identity and time

Publication numberOT-2026-000050051 · never reused
Internal UUID01a0ae81-fd78-79cd-b804-ca75e0f7d4fb · 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-2026-000050051
StatusPUBLIC

Content hashes

Canonical text3be8391f92ee7153b32869cc6f30296987a9be447bd22526ac8c3ebf87964f13
Markdown2aed7c7db7ff64772383363a05085f1f9d80f79df3bcb19ff636b6f7289855c5
PDF
Publication pagef3d87ab466f7efe5a1b4470240a8382da12b6ad08f6f7ac68597036b6aeb6235
Manifest3e64985de346d8a79a1d1850e96febb0f355d5eab1e103e146e46cb06ad58287

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
Signaturej7Qyi4tZyOQlewfJAr9ihuaRGvePLQoajcz1Pzc9V3MbBLejVLWclhPaR88AimVlYspf50KQXAbHiyum94eYBg==
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

2026-09-17T11:02:01.895456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050051
observed f3d87ab466f7efe5a1b4470240a8382d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.878428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050051/manifest.json
observed 3e64985de346d8a79a1d1850e96febb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.861369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050051/publication.md
observed 2aed7c7db7ff64772383363a05085f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.843197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050051/publication.txt
observed 3be8391f92ee7153b32869cc6f302969...
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.