Pith Number

pith:BDASAQUI

pith:2002:BDASAQUIY4S3PHRLI4TJSW3VZN

not attested not anchored not stored refs pending

Canonically conjugate variables for the periodic Camassa-Holm equation

Alexei V. Penskoi

arxiv:math-ph/0211048 v3 · 2002-11-20 · math-ph · math.AP · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDASAQUIY4S3PHRLI4TJSW3VZN}

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	2026-05-18T01:38:33.976537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08c1204288c725b79e2b4726995b75cb5557f8a707c75cb5e4ae9411c6db9c6d

Aliases

arxiv: math-ph/0211048 · arxiv_version: math-ph/0211048v3 · doi: 10.48550/arxiv.math-ph/0211048 · pith_short_12: BDASAQUIY4S3 · pith_short_16: BDASAQUIY4S3PHRL · pith_short_8: BDASAQUI

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/BDASAQUIY4S3PHRLI4TJSW3VZN \
  | 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: 08c1204288c725b79e2b4726995b75cb5557f8a707c75cb5e4ae9411c6db9c6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c89dc1d41a9aad7389238e58bc73f05f46607e624716878a2fd487f419fd2937",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2002-11-20T16:13:02Z",
    "title_canon_sha256": "4ae627ee42c06f4a06c96b0724342dc6b83349ed5b7d0456450e9ca9aac9f9c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0211048",
    "kind": "arxiv",
    "version": 3
  }
}