Pith Number

pith:GUT3BXXD

pith:2009:GUT3BXXDSAOFNNICR4NTITOOKQ

not attested not anchored not stored refs pending

A class of asymptotic preserving schemes for kinetic equations and related problems with stiff sources

Francis Filbet (MIP, ICJ), S. Jin

arxiv:0905.1378 v1 · 2009-05-09 · 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{GUT3BXXDSAOFNNICR4NTITOOKQ}

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	2026-05-18T02:13:46.237844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3527b0dee3901c56b5028f1b344dce543285d8f437c806ffbdbe50804ce4f714

Aliases

arxiv: 0905.1378 · arxiv_version: 0905.1378v1 · doi: 10.48550/arxiv.0905.1378 · pith_short_12: GUT3BXXDSAOF · pith_short_16: GUT3BXXDSAOFNNIC · pith_short_8: GUT3BXXD

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/GUT3BXXDSAOFNNICR4NTITOOKQ \
  | 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: 3527b0dee3901c56b5028f1b344dce543285d8f437c806ffbdbe50804ce4f714

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd73c5a10f419b3fb40ab19cec11ab5dda452d841728c6111f1a637e4ecc0bab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-05-09T06:14:11Z",
    "title_canon_sha256": "52cf6b7309e7c973241e0e05588e233f5641537579dc8ed24a5717743cfb5a29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1378",
    "kind": "arxiv",
    "version": 1
  }
}