Pith Number

pith:UNVTWYE6

pith:2012:UNVTWYE6YBJLK3NVYZKHNWUA5S

not attested not anchored not stored refs pending

Inverse Lax-Wendroff method for boundary conditions of Boltzmann type models

Chang Yang, Francis Filbet

arxiv:1209.3103 v1 · 2012-09-14 · 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{UNVTWYE6YBJLK3NVYZKHNWUA5S}

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	2026-05-18T01:54:29.165147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a36b3b609ec052b56db5c65476da80ec9da05f8d564bc5fe24c1ea57166b1077

Aliases

arxiv: 1209.3103 · arxiv_version: 1209.3103v1 · doi: 10.48550/arxiv.1209.3103 · pith_short_12: UNVTWYE6YBJL · pith_short_16: UNVTWYE6YBJLK3NV · pith_short_8: UNVTWYE6

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/UNVTWYE6YBJLK3NVYZKHNWUA5S \
  | 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: a36b3b609ec052b56db5c65476da80ec9da05f8d564bc5fe24c1ea57166b1077

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ebef61e364686885ad1c492758663f2951652e039fca33e34a601eca2fe6e26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-09-14T06:28:59Z",
    "title_canon_sha256": "f371afb98b7a1acdc03af183d7da9903c27e851a59f47c80944522ab37812cc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3103",
    "kind": "arxiv",
    "version": 1
  }
}