Pith Number

pith:2RDSP7E4

pith:2020:2RDSP7E4DFG5D6DFCCFTBTNFEG

not attested not anchored not stored refs pending

A Non-Linear Magnetic Field Calibration Method for Filter-Based Magnetographs by Multilayer Perceptron

Hui Liu, Jiaben Lin, Jiangtao Su, JingJing Guo, Kaifan Ji, Xianyong Bai, Xiao Yang, Yuanyong Deng

arxiv:2002.02249 v1 · 2020-02-06 · astro-ph.IM · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RDSP7E4DFG5D6DFCCFTBTNFEG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:38:50.401771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d44727fc9c194dd1f865108b30cda521a68767c8cf8b4a53dec6fd83b20ca733

Aliases

arxiv: 2002.02249 · arxiv_version: 2002.02249v1 · doi: 10.48550/arxiv.2002.02249 · pith_short_12: 2RDSP7E4DFG5 · pith_short_16: 2RDSP7E4DFG5D6DF · pith_short_8: 2RDSP7E4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2RDSP7E4DFG5D6DFCCFTBTNFEG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d44727fc9c194dd1f865108b30cda521a68767c8cf8b4a53dec6fd83b20ca733

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dd38f249caa98d76b2bcfd850917082b08e90753bd3624a31f7ce3bf0610f00",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-02-06T13:31:33Z",
    "title_canon_sha256": "2eb236bee19211429fc7b7a6d449f9df995df4356247062575fd4b373729be63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.02249",
    "kind": "arxiv",
    "version": 1
  }
}