Pith Number

pith:OXFFEWJZ

pith:2010:OXFFEWJZ2QPR2FL5JS3T6U3RR7

not attested not anchored not stored refs pending

The brightness of magnetic field concentrations in the quiet Sun

H. C. Spruit, R. S. Schnerr

arxiv:1010.4792 v3 · 2010-10-22 · 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{OXFFEWJZ2QPR2FL5JS3T6U3RR7}

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	2026-05-18T04:15:50.296063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75ca525939d41f1d157d4cb73f53718ffb21f120fc1be400e6eac0a9c25c9f58

Aliases

arxiv: 1010.4792 · arxiv_version: 1010.4792v3 · doi: 10.48550/arxiv.1010.4792 · pith_short_12: OXFFEWJZ2QPR · pith_short_16: OXFFEWJZ2QPR2FL5 · pith_short_8: OXFFEWJZ

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/OXFFEWJZ2QPR2FL5JS3T6U3RR7 \
  | 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: 75ca525939d41f1d157d4cb73f53718ffb21f120fc1be400e6eac0a9c25c9f58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1228a5db79dd060d39a5720b90ec265ee15c4e4e3e04aff7b00d0aee05659939",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-10-22T19:53:36Z",
    "title_canon_sha256": "3e1b2bcfe047079ec1eea5f8150b931654de5be2746ca2a1fb0f3736db71da02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4792",
    "kind": "arxiv",
    "version": 3
  }
}