OpenTechnical

OT-2026-000050139

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000050139) never changes.

Identity and time

Publication numberOT-2026-000050139 · never reused
Internal UUID01a0ae82-5c45-7252-84f7-02e5e7665757 · 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-2026-000050139
StatusPUBLIC

Content hashes

Canonical text319be679c3635d934d1934034091fae7d442e5e0e20a949b832f338929f7c07e
Markdown2752fac8c255e68a86f1fa1a59d91b21af3797fb76331dc7799b431f6aa4d462
PDF
Publication page4c01416efe8e944a0dd1af8ba45314c7ddbe13001e4c00932eae03a2c5143d6f
Manifestcfdb4da06a04fc6c663eb1addde42687af76d5d9316591b29ee33ced6b47b29a

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
SignatureJ+qaVHk+Ny+/BP4LthC+7fMZJ5uUhbl1CtEELwm02wVkt8wJcprfJuOLNYJBXscD4cetsqmMMPF7yaamkSVLBA==
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

2026-09-17T11:01:06.516438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050139
observed 4c01416efe8e944a0dd1af8ba45314c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.499288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050139/manifest.json
observed cfdb4da06a04fc6c663eb1addde42687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.482384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050139/publication.md
observed 2752fac8c255e68a86f1fa1a59d91b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.464830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050139/publication.txt
observed 319be679c3635d934d1934034091fae7...
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.