OpenTechnical

OT-2026-000059223

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000059223) never changes.

Identity and time

Publication numberOT-2026-000059223 · never reused
Internal UUID01a0ae89-8613-7214-be8a-03cdd6794dd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059223
StatusPUBLIC

Content hashes

Canonical text5ad483afcc14246c67d338644160eacbc8fd9aeeb511dbf5f15fda01308ab7c6
Markdown91329a616600d8750c8e5aaef137e3e6dedf40876b2d44ea345d7affa3b37a46
PDF
Publication page81c78216880be200bd7aa80456d13045fdaf099334d7d09aeaf45ae93c9e3b18
Manifestdf84ddfe99fe6aa9a69ed726acf63f9eb0e628c961ed7e73915ead2fb54917ac

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
Signature7IyQnnIdfWU5IcAJSFfDIx4JpqeCxZXUpYFK3HxMGKEUkdACvG2KAaNgP4lD69kefOzEOLeZg528SARgptqmDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:45.345494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059223
observed 81c78216880be200bd7aa80456d13045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.325750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059223/manifest.json
observed df84ddfe99fe6aa9a69ed726acf63f9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.306844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059223/publication.md
observed 91329a616600d8750c8e5aaef137e3e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.288715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059223/publication.txt
observed 5ad483afcc14246c67d338644160eacb...
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.