Pith Number

pith:6YXCMF3O

pith:2019:6YXCMF3OG6DD7SNJ2LPQRRNRRE

not attested not anchored not stored refs pending

The Volterra Integrable case

Massimo Scalia, Orlando Ragnisco

arxiv:1903.03595 v1 · 2019-03-08 · 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{6YXCMF3OG6DD7SNJ2LPQRRNRRE}

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	2026-05-17T23:51:45.076142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f62e26176e37863fc9a9d2df08c5b18910559444a3d66ad245e394a5420b33eb

Aliases

arxiv: 1903.03595 · arxiv_version: 1903.03595v1 · doi: 10.48550/arxiv.1903.03595 · pith_short_12: 6YXCMF3OG6DD · pith_short_16: 6YXCMF3OG6DD7SNJ · pith_short_8: 6YXCMF3O

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/6YXCMF3OG6DD7SNJ2LPQRRNRRE \
  | 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: f62e26176e37863fc9a9d2df08c5b18910559444a3d66ad245e394a5420b33eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4af531c44fa86c9ae6227c824d57c9c50194b9067be86782ea0e278b80ccdcdb",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2019-03-08T18:28:49Z",
    "title_canon_sha256": "a061ae3d5d5f5dcb375a4dd5873c734c0a1c7a1e74dbec12b259b7a111d83267"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03595",
    "kind": "arxiv",
    "version": 1
  }
}