Pith Number

pith:NX3D3XYS

pith:2009:NX3D3XYSSWLCU7OCLA74ZOBMKH

not attested not anchored not stored refs pending

Diffusive Corrections to Pn Approximations

C. David Levermore, Martin Frank, Matthias Schaefer

arxiv:0907.2099 v1 · 2009-07-13 · physics.comp-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{NX3D3XYSSWLCU7OCLA74ZOBMKH}

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	2026-05-18T03:56:24.564775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6df63ddf1295962a7dc2583fccb82c51d04e72afa0daf6cb7dc7a1cef7c0661c

Aliases

arxiv: 0907.2099 · arxiv_version: 0907.2099v1 · doi: 10.48550/arxiv.0907.2099 · pith_short_12: NX3D3XYSSWLC · pith_short_16: NX3D3XYSSWLCU7OC · pith_short_8: NX3D3XYS

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/NX3D3XYSSWLCU7OCLA74ZOBMKH \
  | 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: 6df63ddf1295962a7dc2583fccb82c51d04e72afa0daf6cb7dc7a1cef7c0661c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52817999ebc3c091c908b631c8feec4914a9cab818aa0367452f53d589e6b4fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2009-07-13T07:04:06Z",
    "title_canon_sha256": "abd51fe19e7899867d9e9fc2617d09cb26fbbc8e059ff18d35c9d90bbf071609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2099",
    "kind": "arxiv",
    "version": 1
  }
}