Pith Number

pith:2IVI2MDC

pith:2009:2IVI2MDCSFXYZ65OR63L4IWV3G

not attested not anchored not stored refs pending

The discrete potential Boussinesq equation and its multisoliton solutions

Ken-ichi Maruno, Kenji Kajiwara

arxiv:0908.1800 v4 · 2009-08-12 · nlin.SI · math-ph · math.MP · 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{2IVI2MDCSFXYZ65OR63L4IWV3G}

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	2026-05-18T04:22:40.514478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d22a8d3062916f8cfbae8fb6be22d5d9b7372de05ffc58b6e8ce0e40a1981bdf

Aliases

arxiv: 0908.1800 · arxiv_version: 0908.1800v4 · doi: 10.48550/arxiv.0908.1800 · pith_short_12: 2IVI2MDCSFXY · pith_short_16: 2IVI2MDCSFXYZ65O · pith_short_8: 2IVI2MDC

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/2IVI2MDCSFXYZ65OR63L4IWV3G \
  | 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: d22a8d3062916f8cfbae8fb6be22d5d9b7372de05ffc58b6e8ce0e40a1981bdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3663349bb1b4348c8d0873ce4e9580ecc7f77d4b8f86979797d611031d9faf9d",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2009-08-12T21:07:33Z",
    "title_canon_sha256": "f3c419bc81e5186dab95f1fcecbed18459e0a5eeb215489c3f977573ae58b1f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1800",
    "kind": "arxiv",
    "version": 4
  }
}