Pith Number

pith:UOGWI47Z

pith:2009:UOGWI47ZQDRJJPV7DDGP7MIOBI

not attested not anchored not stored refs pending

Solar Flux Emergence Simulations

{\AA}. Nordlund, A. Lagerfj\"ard, D. Georgobiani, R. F. Stein

arxiv:0912.4938 v1 · 2009-12-25 · 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{UOGWI47ZQDRJJPV7DDGP7MIOBI}

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	2026-05-18T02:10:13.734074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a38d6473f980e294bebf18ccffb10e0a2b7d5ae6de75f6e0b49b466c0c757291

Aliases

arxiv: 0912.4938 · arxiv_version: 0912.4938v1 · doi: 10.48550/arxiv.0912.4938 · pith_short_12: UOGWI47ZQDRJ · pith_short_16: UOGWI47ZQDRJJPV7 · pith_short_8: UOGWI47Z

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/UOGWI47ZQDRJJPV7DDGP7MIOBI \
  | 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: a38d6473f980e294bebf18ccffb10e0a2b7d5ae6de75f6e0b49b466c0c757291

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86c60a2fbe1664f7a04bec819e57d6f33d3ab882ff17ff5df4782f797dd1a604",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-12-25T04:43:36Z",
    "title_canon_sha256": "5309fedf7e38517711a6903563704a0970cff3c073cb57f17ab0b1a1439e68bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4938",
    "kind": "arxiv",
    "version": 1
  }
}