OpenTechnical

OT-2026-000061689

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, vented after 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-2026-000061689) never changes.

Identity and time

Publication numberOT-2026-000061689 · never reused
Internal UUID01a0ae8b-b8aa-7c79-a6c3-661fa164b2f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061689
StatusPUBLIC

Content hashes

Canonical textce78a0b983f2dfc55cbd0729a7a2066d3fd95a9bdecd09bd8dff6c73cd8a0f89
Markdown4cd2d1c52c5e829081906cfb12ffbd7da63f3cde44d18bb40b405e1798e71381
PDF
Publication pagee495549d2a13ea78d7bb1e50607108436c9d63220f8de1e770874cb083a1c33d
Manifest88dcc6df753f0b1a76fb25bbab2bd4f4a1baf284775b692336cc5be27ffaccd6

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
Signature2J4B1AvsTTjr7NBr0QRD6xwZp+pzoTj33oicJpAChtZ13VgYHHCbJ+9RNY6DmV7FjxwR5Y3H+ozyc94c2EPaCg==
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

2026-09-17T10:40:15.031937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061689
observed e495549d2a13ea78d7bb1e5060710843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.011831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061689/manifest.json
observed 88dcc6df753f0b1a76fb25bbab2bd4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.991442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061689/publication.md
observed 4cd2d1c52c5e829081906cfb12ffbd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.970857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061689/publication.txt
observed ce78a0b983f2dfc55cbd0729a7a2066d...
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.