Pith Number

pith:IJ2A5NQO

pith:2009:IJ2A5NQOUM2H7VRHMQXHGW3D7L

not attested not anchored not stored refs pending

Computational aspects of the Maslov index of solitary waves

Fr\'ed\'eric Chardard (CMLA), Fr\'ed\'eric Dias (CMLA), Thomas J. Bridges

arxiv:0905.2134 v1 · 2009-05-13 · math.AP · cs.NA · math.NA · math.SG · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IJ2A5NQOUM2H7VRHMQXHGW3D7L}

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	2026-06-03T23:06:26.165795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42740eb60ea3347fd627642e735b63fae0714da12f816a9307ff97c205bc90d9

Aliases

arxiv: 0905.2134 · arxiv_version: 0905.2134v1 · doi: 10.48550/arxiv.0905.2134 · pith_short_12: IJ2A5NQOUM2H · pith_short_16: IJ2A5NQOUM2H7VRH · pith_short_8: IJ2A5NQO

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/IJ2A5NQOUM2H7VRHMQXHGW3D7L \
  | 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: 42740eb60ea3347fd627642e735b63fae0714da12f816a9307ff97c205bc90d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15bdde202dec7c9b6ad1fa760a2b1d6734e88ca5b9f66522654f3950b0545725",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.SG",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-05-13T15:32:09Z",
    "title_canon_sha256": "79c6d17778c94b77b95b20c070b81e01d7fbb1b592668374b1bb7ebc46b2c573"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2134",
    "kind": "arxiv",
    "version": 1
  }
}