Pith Number

pith:2SPU77SD

pith:2010:2SPU77SD4WTYZQOPCQROYRLK57

not attested not anchored not stored refs pending

A comparison of preprocessing methods for solar force-free magnetic field extrapolation

G. Valori, M. Fuhrmann, N. Seehafer, T. Wiegelmann

arxiv:1010.6015 v1 · 2010-10-28 · 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{2SPU77SD4WTYZQOPCQROYRLK57}

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	2026-05-18T02:04:55.265770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d49f4ffe43e5a78cc1cf1422ec456aefdfd89aef5dd88ebe80eb89c2b40e1abd

Aliases

arxiv: 1010.6015 · arxiv_version: 1010.6015v1 · doi: 10.48550/arxiv.1010.6015 · pith_short_12: 2SPU77SD4WTY · pith_short_16: 2SPU77SD4WTYZQOP · pith_short_8: 2SPU77SD

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/2SPU77SD4WTYZQOPCQROYRLK57 \
  | 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: d49f4ffe43e5a78cc1cf1422ec456aefdfd89aef5dd88ebe80eb89c2b40e1abd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c2d5b2e98d85de10338f40a29754abc1a5b2c9e0d60e0912d61269cd2956fbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-10-28T16:49:24Z",
    "title_canon_sha256": "db195905cf587b1cbf9fd2900548e3a57851453a8a12f02d48f60913fa3bcc62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.6015",
    "kind": "arxiv",
    "version": 1
  }
}