Pith Number

pith:3UZKTBYE

pith:2012:3UZKTBYEXAX3RT3CHXHX25FTYI

not attested not anchored not stored refs pending

The Cauchy Problem for Darboux Integrable Systems and Non-Linear d'Alembert Formulas

Ian M. Anderson, Mark E. Fels

arxiv:1210.2370 v3 · 2012-10-08 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3UZKTBYEXAX3RT3CHXHX25FTYI}

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	2026-05-18T03:32:19.843881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd32a98704b82fb8cf623dcf7d74b3c2056a2ba089c32a27b3fb3d755d06f616

Aliases

arxiv: 1210.2370 · arxiv_version: 1210.2370v3 · doi: 10.48550/arxiv.1210.2370 · pith_short_12: 3UZKTBYEXAX3 · pith_short_16: 3UZKTBYEXAX3RT3C · pith_short_8: 3UZKTBYE

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/3UZKTBYEXAX3RT3CHXHX25FTYI \
  | 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: dd32a98704b82fb8cf623dcf7d74b3c2056a2ba089c32a27b3fb3d755d06f616

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e99a79e565ae57466feafd061748f052393d1ac5c58d472e36eab8afddda852f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-10-08T18:23:15Z",
    "title_canon_sha256": "4e7980ac0c1e2667acef4c1b6a498304f7554e999ab477c0221a52e4a260350d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2370",
    "kind": "arxiv",
    "version": 3
  }
}