Pith Number

pith:ABWU6WCR

pith:2011:ABWU6WCROHDXF637DVEFYFZLZF

not attested not anchored not stored refs pending

Observing Evolution in the Supergranular Length Scale During Periods of Low Solar Activity

Mark P. Rast, Rachel A. Hock, Robert J. Leamon, Roger K. Ulrich, Scott W. McIntosh

arxiv:1102.0303 v3 · 2011-02-01 · 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{ABWU6WCROHDXF637DVEFYFZLZF}

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	2026-05-18T02:03:17.819394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

006d4f585171c772fb7f1d485c172bc94aa97aea621abab36d0ece34c7d4e070

Aliases

arxiv: 1102.0303 · arxiv_version: 1102.0303v3 · doi: 10.48550/arxiv.1102.0303 · pith_short_12: ABWU6WCROHDX · pith_short_16: ABWU6WCROHDXF637 · pith_short_8: ABWU6WCR

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/ABWU6WCROHDXF637DVEFYFZLZF \
  | 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: 006d4f585171c772fb7f1d485c172bc94aa97aea621abab36d0ece34c7d4e070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d0c504a2743f8e3dd37eeaa9beb584dcb77177085a6a3016edf6e0dd3cecf19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-01T21:39:59Z",
    "title_canon_sha256": "ddca876014a9f801e039ca99d329a9776011c9bddc96aa16d9c6c1a1ad78c191"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0303",
    "kind": "arxiv",
    "version": 3
  }
}