Pith Number

pith:AXDSWXMO

pith:2009:AXDSWXMO6AYNPBU5XVKYEQVKWF

not attested not anchored not stored refs pending

Modeling the Subsurface Structure of Sunspots

A. C. Birch, B. W. Hindman, C. Baldner, D. Braun, D. Haber, E. Khomenko, H. Moradi, H. Schunker, H. Spruit, J. Jackiewicz, K. Strassmeier, L. Gizon, M. J. Thompson, M. Rempel, M. Roth, P. Rajaguru, R. Cameron, R. Komm, R. Schlichenmaier, S. Hanasoge, S. Zharkov, T. L. Duvall Jr.

arxiv:0912.4982 v3 · 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{AXDSWXMO6AYNPBU5XVKYEQVKWF}

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	2026-05-18T02:10:13.668209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05c72b5d8ef030d7869dbd558242aab1746e17726935fefbf46e4111f247fe78

Aliases

arxiv: 0912.4982 · arxiv_version: 0912.4982v3 · doi: 10.48550/arxiv.0912.4982 · pith_short_12: AXDSWXMO6AYN · pith_short_16: AXDSWXMO6AYNPBU5 · pith_short_8: AXDSWXMO

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/AXDSWXMO6AYNPBU5XVKYEQVKWF \
  | 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: 05c72b5d8ef030d7869dbd558242aab1746e17726935fefbf46e4111f247fe78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad2ea1ce42fdff4c8153276cf75a4969f1d5db5985531db007ca0c94a7a2e42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-12-25T20:52:33Z",
    "title_canon_sha256": "544b0530ea8d6386c4df763fd6167b078b167ebacf0eb12fe033dbf266581059"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4982",
    "kind": "arxiv",
    "version": 3
  }
}