pith. sign in
Pith Number

pith:BVC72NLF

pith:2008:BVC72NLFJU2ZUA52477RRVBENC
not attested not anchored not stored refs pending

Colliding solitons for the nonlinear Schrodinger equation

I. M. Sigal, J. Froehlich, W. K. Abou Salem

arxiv:0804.1608 v1 · 2008-04-10 · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BVC72NLFJU2ZUA52477RRVBENC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T02:15:53.819541Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0d45fd35654d359a03bae7ff18d424688bd19196873db7fe31e4edd273d946c3

Aliases

arxiv: 0804.1608 · arxiv_version: 0804.1608v1 · doi: 10.48550/arxiv.0804.1608 · pith_short_12: BVC72NLFJU2Z · pith_short_16: BVC72NLFJU2ZUA52 · pith_short_8: BVC72NLF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BVC72NLFJU2ZUA52477RRVBENC \
  | 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: 0d45fd35654d359a03bae7ff18d424688bd19196873db7fe31e4edd273d946c3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bb2eb75992d216462e5b840e56f00601dbd995608f32aaa2a2ce1d36edeb3020",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2008-04-10T04:14:27Z",
    "title_canon_sha256": "142548435377bf441a63b69fd0775f76a26c5167c2db09e7d0ef6e999522a497"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.1608",
    "kind": "arxiv",
    "version": 1
  }
}