Pith Number

pith:QRRGWBG5

pith:2009:QRRGWBG56KNNY4AWTMYCQPHDOZ

not attested not anchored not stored refs pending

Analysis of a new class of Forward Semi-Lagrangian schemes for the 1D Vlasov-Poisson Equations

Eric Sonnendr\"ucker (IRMA, Inria Lorraine / Iecn / Lsiit / Irma), Thomas Respaud (IRMA

arxiv:0912.4952 v2 · 2009-12-25 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRRGWBG56KNNY4AWTMYCQPHDOZ}

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	2026-05-18T04:33:39.849915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84626b04ddf29adc70169b30283ce3766189c880f82e21c670db07d0ee5ee20b

Aliases

arxiv: 0912.4952 · arxiv_version: 0912.4952v2 · doi: 10.48550/arxiv.0912.4952 · pith_short_12: QRRGWBG56KNN · pith_short_16: QRRGWBG56KNNY4AW · pith_short_8: QRRGWBG5

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/QRRGWBG56KNNY4AWTMYCQPHDOZ \
  | 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: 84626b04ddf29adc70169b30283ce3766189c880f82e21c670db07d0ee5ee20b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bec8a6f44b67345ff9d4404ba2895f231e4f51601612bced558d1b2c6211e14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-12-25T09:02:25Z",
    "title_canon_sha256": "cca06e0f02b279ff5cd0aa21beef005750bd4dc0dafe025a3fbd3d82eae2d1ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4952",
    "kind": "arxiv",
    "version": 2
  }
}