Pith Number

pith:YN7WNLPS

pith:2012:YN7WNLPS6WPP4NEG2BIC7ZVIDT

not attested not anchored not stored refs pending

Returning magnetic flux in sunspot penumbrae

A. Asensio Ramos, B. Ruiz Cobo

arxiv:1211.6335 v1 · 2012-11-27 · 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{YN7WNLPS6WPP4NEG2BIC7ZVIDT}

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	2026-05-18T01:52:54.364917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c37f66adf2f59efe3486d0502fe6a81cd66da9a24bf50d470a475a6be3afb275

Aliases

arxiv: 1211.6335 · arxiv_version: 1211.6335v1 · doi: 10.48550/arxiv.1211.6335 · pith_short_12: YN7WNLPS6WPP · pith_short_16: YN7WNLPS6WPP4NEG · pith_short_8: YN7WNLPS

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/YN7WNLPS6WPP4NEG2BIC7ZVIDT \
  | 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: c37f66adf2f59efe3486d0502fe6a81cd66da9a24bf50d470a475a6be3afb275

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2728e3b40e7fa32d2193dd397a61c370fc430cf6b71a3c306f930ec17b69422",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-27T15:56:17Z",
    "title_canon_sha256": "1062253d5c4abf1620b2ec4a5feb5ab94725369fdcec3e36c7c91931613b0978"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6335",
    "kind": "arxiv",
    "version": 1
  }
}