Pith Number

pith:VGJSQOLC

pith:2021:VGJSQOLCTGH24GFQNPHL3BE6JF

not attested not anchored not stored refs pending

Global Earth Magnetic Field Modeling and Forecasting with Spherical Harmonics Decomposition

Asti Bhatt, Banafsheh Ferdoushi, Mark C. M. Cheung, Panagiotis Tigas, Ryan M. McGranaghan, Siddha Ganju, T\'eo Bloch, Vishal Upendran, Yarin Gal

arxiv:2102.01447 v1 · 2021-02-02 · physics.geo-ph · astro-ph.SR · cs.LG · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGJSQOLCTGH24GFQNPHL3BE6JF}

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	2026-07-05T02:12:45.717947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a993283962998fae18b06bcebd849e496528fbd4502c218462053e8159616a55

Aliases

arxiv: 2102.01447 · arxiv_version: 2102.01447v1 · doi: 10.48550/arxiv.2102.01447 · pith_short_12: VGJSQOLCTGH2 · pith_short_16: VGJSQOLCTGH24GFQ · pith_short_8: VGJSQOLC

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/VGJSQOLCTGH24GFQNPHL3BE6JF \
  | 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: a993283962998fae18b06bcebd849e496528fbd4502c218462053e8159616a55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ea7cdaddbd3387ff10a54e787592ff1d44c4c721839cfe739b6abc42904a50d",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "cs.LG",
      "physics.space-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2021-02-02T11:47:07Z",
    "title_canon_sha256": "912bd0d9406597a2a289b414e923fec21f260e58961afc447ff6e645788842a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.01447",
    "kind": "arxiv",
    "version": 1
  }
}