Pith Number

pith:5ESKWXG5

pith:2009:5ESKWXG53TMQECYQGUMBY6V2D2

not attested not anchored not stored refs pending

Solitons, boundary value problems and a nonlinear method of images

Gino Biondini, Guenbo Hwang

arxiv:0904.2410 v2 · 2009-04-15 · nlin.SI · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ESKWXG53TMQECYQGUMBY6V2D2}

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	2026-05-18T02:13:59.993888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e924ab5cdddcd9020b1035181c7aba1eab762a029b339fb993caa6067cfbe6c0

Aliases

arxiv: 0904.2410 · arxiv_version: 0904.2410v2 · doi: 10.48550/arxiv.0904.2410 · pith_short_12: 5ESKWXG53TMQ · pith_short_16: 5ESKWXG53TMQECYQ · pith_short_8: 5ESKWXG5

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/5ESKWXG53TMQECYQGUMBY6V2D2 \
  | 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: e924ab5cdddcd9020b1035181c7aba1eab762a029b339fb993caa6067cfbe6c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b9872936b3d4a9a1c1623b3221bc305c26b8c5779fe3a1a8015531f478c1d65",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2009-04-15T22:29:15Z",
    "title_canon_sha256": "3e8c9c2a23bd5053535b25137fd544f754f44884d1bd70aa1b4c9c1d547c1df5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2410",
    "kind": "arxiv",
    "version": 2
  }
}