Pith Number

pith:2TK2FMNL

pith:2020:2TK2FMNLJTROSQPZDYINXBJWQL

not attested not anchored not stored refs pending

Improving solar wind forecasting using Data Assimilation

Harriet Turner, Jake Witherington, Matthew Lang, Matt Owens, Pete Riley

arxiv:2012.06362 v3 · 2020-12-11 · physics.space-ph · astro-ph.SR · physics.data-an · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2TK2FMNLJTROSQPZDYINXBJWQL}

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	2026-07-05T03:02:43.152220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4d5a2b1ab4ce2e941f91e10db853682c6a6e84e5fd470520817cf872281700f

Aliases

arxiv: 2012.06362 · arxiv_version: 2012.06362v3 · doi: 10.48550/arxiv.2012.06362 · pith_short_12: 2TK2FMNLJTRO · pith_short_16: 2TK2FMNLJTROSQPZ · pith_short_8: 2TK2FMNL

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/2TK2FMNLJTROSQPZDYINXBJWQL \
  | 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: d4d5a2b1ab4ce2e941f91e10db853682c6a6e84e5fd470520817cf872281700f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebbf735a0a4dd77556f3d3dd7a21bcdfad40544d07d923bdcc128ef0470f2468",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.data-an",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2020-12-11T14:05:12Z",
    "title_canon_sha256": "5f9e525e35ab344529e59296a0721a3200c4051e32e008c4592833bc4e8ffee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.06362",
    "kind": "arxiv",
    "version": 3
  }
}