Pith Number

pith:YDLLJW4M

pith:2013:YDLLJW4M3EMGGPKW4K4SFUKDQX

not attested not anchored not stored refs pending

Formation and Eruption of an Active Region Sigmoid: I. Study by Nonlinear Force-Free Field Modeling

Chaowei Jiang, Qiang Hu, S. T. Wu, Xueshang Feng

arxiv:1310.8196 v1 · 2013-10-30 · 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{YDLLJW4M3EMGGPKW4K4SFUKDQX}

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	2026-05-18T01:46:41.028802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0d6b4db8cd918633d56e2b922d14385c6690fd24b287510765ea448fb728190

Aliases

arxiv: 1310.8196 · arxiv_version: 1310.8196v1 · doi: 10.48550/arxiv.1310.8196 · pith_short_12: YDLLJW4M3EMG · pith_short_16: YDLLJW4M3EMGGPKW · pith_short_8: YDLLJW4M

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/YDLLJW4M3EMGGPKW4K4SFUKDQX \
  | 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: c0d6b4db8cd918633d56e2b922d14385c6690fd24b287510765ea448fb728190

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f2ed377e9aac74e6851f764f3999e89cc2148f37619edf615db45f4066e8c71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-30T15:25:19Z",
    "title_canon_sha256": "1576023d81f509f56dcaf377939e7cbf9adf4507f47de2c76511e42c1003b4cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8196",
    "kind": "arxiv",
    "version": 1
  }
}