Pith Number

pith:WTPTW6JB

pith:2015:WTPTW6JBQHGOQ5JUZKXT6AOBAO

not attested not anchored not stored refs pending

Spectropolarimetrically accurate magnetohydrostatic sunspot model for forward modelling in helioseismology

D. Przybylski, P.S. Cally, S. Shelyag

arxiv:1504.02189 v1 · 2015-04-09 · 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{WTPTW6JBQHGOQ5JUZKXT6AOBAO}

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	2026-05-18T02:19:15.812738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4df3b792181cce87534caaf3f01c103b22b809bfd3ad431374046b36530a1e1

Aliases

arxiv: 1504.02189 · arxiv_version: 1504.02189v1 · doi: 10.48550/arxiv.1504.02189 · pith_short_12: WTPTW6JBQHGO · pith_short_16: WTPTW6JBQHGOQ5JU · pith_short_8: WTPTW6JB

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/WTPTW6JBQHGOQ5JUZKXT6AOBAO \
  | 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: b4df3b792181cce87534caaf3f01c103b22b809bfd3ad431374046b36530a1e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac85d2df13fcf1bd5da6cb9468f2863ad7ffcf946e7bf3dcb0d6a3a40d9114f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-09T04:02:06Z",
    "title_canon_sha256": "60468715aac27ff6810bb5cb813046df52d8e40f24077b6361494ac7ea4810a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02189",
    "kind": "arxiv",
    "version": 1
  }
}