OpenTechnical

OT-2026-000039559

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000039559) never changes.

Identity and time

Publication numberOT-2026-000039559 · never reused
Internal UUID01a0ae78-d8d3-7746-928b-a16f38b85dc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039559
StatusPUBLIC

Content hashes

Canonical text6599f0af11851bed44ce09c6b1714c498d32842dcca4c0de79275342d84970ee
Markdown9daf2b7a729176fdf870dc2577240153acd0abe43038d316ca3736e4616489cb
PDF
Publication page9892c95ad22792874d5663fe3049a3b85bdcdf59d3538d6d91e98e4e5c63a683
Manifestcc6e302c10758d4c314fbb64c430e67e609426bd7131340892caeb38a09e8958

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
SignatureDyxKONIHfhGqeX3kEtoqkHQkRP4k16x4YFcFenPyUCCaXl8360m2BEC6XYZoRf+ZdrKTXEmbLpu4U112+SiZAA==
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

2026-09-17T11:19:42.892891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039559
observed 9892c95ad22792874d5663fe3049a3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.875404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039559/manifest.json
observed cc6e302c10758d4c314fbb64c430e67e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.857862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039559/publication.md
observed 9daf2b7a729176fdf870dc2577240153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.837100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039559/publication.txt
observed 6599f0af11851bed44ce09c6b1714c49...
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.