Pith Number

pith:JQ2IZTLJ

pith:2013:JQ2IZTLJZ6NZVJNYQ47FHKBXZR

not attested not anchored not stored refs pending

Numerical solutions of boundary value problems for variable coefficient generalized KdV equations using Lie symmetries

C. Sophocleous, M.A. Christou, N.C. Papanicolaou, O.O. Vaneeva

arxiv:1309.1028 v1 · 2013-09-04 · math-ph · math.MP · 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{JQ2IZTLJZ6NZVJNYQ47FHKBXZR}

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	2026-05-18T02:55:19.345029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c348ccd69cf9b9aa5b8873e53a837cc505491659fc2bcfa0218a89c5298f158

Aliases

arxiv: 1309.1028 · arxiv_version: 1309.1028v1 · doi: 10.48550/arxiv.1309.1028 · pith_short_12: JQ2IZTLJZ6NZ · pith_short_16: JQ2IZTLJZ6NZVJNY · pith_short_8: JQ2IZTLJ

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/JQ2IZTLJZ6NZVJNYQ47FHKBXZR \
  | 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: 4c348ccd69cf9b9aa5b8873e53a837cc505491659fc2bcfa0218a89c5298f158

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc5a6f9728095d67d08f8994044d59f0679dce4c69c57d53fd06fd9a0bbdcd16",
    "cross_cats_sorted": [
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-09-04T13:50:36Z",
    "title_canon_sha256": "1033ef247d91e062ac53bc0b77ab902c375e51dcdb8c8de9611d5541b381ee31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1028",
    "kind": "arxiv",
    "version": 1
  }
}