Pith Number

pith:5P5N2MFY

pith:2013:5P5N2MFYH3HHPFRFUSPCHT5MKM

not attested not anchored not stored refs pending

Quadratic First Integrals of Kinetic Differential Equations

I. Nagy, J. T\'oth

arxiv:1307.7957 v1 · 2013-07-30 · math.CA · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5P5N2MFYH3HHPFRFUSPCHT5MKM}

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	2026-05-18T03:17:12.855882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebfadd30b83ece779625a49e23cfac53360abffc13e2bf9fa7d7a281f67ee610

Aliases

arxiv: 1307.7957 · arxiv_version: 1307.7957v1 · doi: 10.48550/arxiv.1307.7957 · pith_short_12: 5P5N2MFYH3HH · pith_short_16: 5P5N2MFYH3HHPFRF · pith_short_8: 5P5N2MFY

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/5P5N2MFYH3HHPFRFUSPCHT5MKM \
  | 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: ebfadd30b83ece779625a49e23cfac53360abffc13e2bf9fa7d7a281f67ee610

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3368ec3d16c99df78f8e9935fb84725cc5a1e22f88d4e1373fc5c15bbb135e97",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-07-30T13:01:49Z",
    "title_canon_sha256": "c7a580bfa8747bb2aec9fb6ed67e9a52b8406c3728ac41e475eb5e0109c3e9fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7957",
    "kind": "arxiv",
    "version": 1
  }
}