Pith Number

pith:EHFSUJM3

pith:2010:EHFSUJM3FNVSFHZQEW2MGJ24XM

not attested not anchored not stored refs pending

Deep-Focus Diagnostics of Sunspot Structure

H. Moradi, S. M. Hanasoge

arxiv:1101.0125 v1 · 2010-12-30 · 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{EHFSUJM3FNVSFHZQEW2MGJ24XM}

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	2026-05-18T04:32:11.008513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21cb2a259b2b6b229f3025b4c3275cbb1dcc517408e340e078c1ede5698cf8cc

Aliases

arxiv: 1101.0125 · arxiv_version: 1101.0125v1 · doi: 10.48550/arxiv.1101.0125 · pith_short_12: EHFSUJM3FNVS · pith_short_16: EHFSUJM3FNVSFHZQ · pith_short_8: EHFSUJM3

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/EHFSUJM3FNVSFHZQEW2MGJ24XM \
  | 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: 21cb2a259b2b6b229f3025b4c3275cbb1dcc517408e340e078c1ede5698cf8cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00da14f930fb5a17ccb4bc5d357aab4a2de0933b7d6db79ea3f4abfd226ad7b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-30T18:19:01Z",
    "title_canon_sha256": "e8e11df516e5aaf8be1b2fbe7f344f5445d808511dc21f6cf6871929c12b69fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0125",
    "kind": "arxiv",
    "version": 1
  }
}