Pith Number

pith:YPWCYDRI

pith:2013:YPWCYDRIO4DDQ4T53PQUAS65AH

not attested not anchored not stored refs pending

B\"acklund-Darboux Transformations and Discretizations of Super KdV Equation

Ling-Ling Xue, Qing Ping Liu

arxiv:1312.6976 v2 · 2013-12-25 · nlin.SI · math-ph · 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{YPWCYDRIO4DDQ4T53PQUAS65AH}

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	2026-05-18T02:54:04.892513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3ec2c0e28770638727ddbe1404bdd01f7759ce6fab8521a5cb684170b7701bc

Aliases

arxiv: 1312.6976 · arxiv_version: 1312.6976v2 · doi: 10.48550/arxiv.1312.6976 · pith_short_12: YPWCYDRIO4DD · pith_short_16: YPWCYDRIO4DDQ4T5 · pith_short_8: YPWCYDRI

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/YPWCYDRIO4DDQ4T53PQUAS65AH \
  | 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: c3ec2c0e28770638727ddbe1404bdd01f7759ce6fab8521a5cb684170b7701bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06e05992b31feff5bed789b4a9767f8828f85a6505024df8f0e8dd5dda856678",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2013-12-25T14:12:31Z",
    "title_canon_sha256": "81245e419a409b196009d1c63893f94ff5e2550c0b2be9e0b57b0a83d88ea4a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6976",
    "kind": "arxiv",
    "version": 2
  }
}