Pith Number

pith:NJOLDT76

pith:2012:NJOLDT76PMB6WWSRYWVAYDYEZI

not attested not anchored not stored refs pending

Opposite polarity field with convective downflow and its relation to magnetic spines in a sunspot penumbra

G.B. Scharmer, J. de la Cruz Rodr\'iguez, P. S\"utterlin, V.M.J. Henriques

arxiv:1211.5776 v3 · 2012-11-25 · astro-ph.SR · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJOLDT76PMB6WWSRYWVAYDYEZI}

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	2026-05-18T01:52:55.376131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a5cb1cffe7b03eb5a51c5aa0c0f04ca308ecb4d409d7369db56c3433fe341f6

Aliases

arxiv: 1211.5776 · arxiv_version: 1211.5776v3 · doi: 10.48550/arxiv.1211.5776 · pith_short_12: NJOLDT76PMB6 · pith_short_16: NJOLDT76PMB6WWSR · pith_short_8: NJOLDT76

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/NJOLDT76PMB6WWSRYWVAYDYEZI \
  | 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: 6a5cb1cffe7b03eb5a51c5aa0c0f04ca308ecb4d409d7369db56c3433fe341f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89ecfd0de638f98936ea3add828acdd58808f4aaaf73514f46ce7385ea4acaef",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-25T16:31:04Z",
    "title_canon_sha256": "a4559ad69c9ef50107d158517d23d30510b3744f5d8bf7305a12b641c3137bb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5776",
    "kind": "arxiv",
    "version": 3
  }
}