Pith Number

pith:LW3AVPVB

pith:2015:LW3AVPVBVIJ26M55IQCJUUDKC2

not attested not anchored not stored refs pending

B\"acklund Transformations and Non-Abelian Nonlinear Evolution Equations: a Novel B\"acklund Chart

Cornelia Schiebold, Mauro Lo Schiavo, Sandra Carillo

arxiv:1512.02386 v2 · 2015-12-08 · 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{LW3AVPVBVIJ26M55IQCJUUDKC2}

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	2026-05-18T01:07:20.958157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5db60abea1aa13af33bd44049a506a16b21c21a4fa7a2b4e5f49064e3404c0fc

Aliases

arxiv: 1512.02386 · arxiv_version: 1512.02386v2 · doi: 10.48550/arxiv.1512.02386 · pith_short_12: LW3AVPVBVIJ2 · pith_short_16: LW3AVPVBVIJ26M55 · pith_short_8: LW3AVPVB

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/LW3AVPVBVIJ26M55IQCJUUDKC2 \
  | 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: 5db60abea1aa13af33bd44049a506a16b21c21a4fa7a2b4e5f49064e3404c0fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e03182866c491dcc8be28b2f8d983bd49d74378da0766f17601b159e5d373fd",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-12-08T10:06:25Z",
    "title_canon_sha256": "147ab7e0ef48372b4b80463a6bf1e92eefc5c43bc417e2842f968ec147b5b946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02386",
    "kind": "arxiv",
    "version": 2
  }
}