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Pith Number

pith:7UDY277S

pith:2012:7UDY277SC32NPZE3W6LXMO2NOC
not attested not anchored not stored refs pending

A Statistical Study on Force-Freeness of Solar Magnetic Fields in the Photosphere

H. Q. Zhang, J. T. Su, S. Liu, X. J. Mao, X. Yang, Y. Gao, Y. Y. Deng

arxiv:1206.6542 v1 · 2012-06-28 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7UDY277SC32NPZE3W6LXMO2NOC}

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 2026-05-18T01:56:41.054078Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fd078d7ff216f4d7e49bb797763b4d708c3ecac1ba28bd72c643fa0248d3876e

Aliases

arxiv: 1206.6542 · arxiv_version: 1206.6542v1 · doi: 10.48550/arxiv.1206.6542 · pith_short_12: 7UDY277SC32N · pith_short_16: 7UDY277SC32NPZE3 · pith_short_8: 7UDY277S
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7UDY277SC32NPZE3W6LXMO2NOC \
  | 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: fd078d7ff216f4d7e49bb797763b4d708c3ecac1ba28bd72c643fa0248d3876e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cd6d133aeea096b19f0b06e4cafe48fc655691a82c98894a43ddb8a3ec9b1a5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-28T00:29:19Z",
    "title_canon_sha256": "b696f96e8503917a3edd640e71fdc4462ea5ac4af74ca7f77d48b0f2772a8f2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6542",
    "kind": "arxiv",
    "version": 1
  }
}