Pith Number

pith:RM2T2MLK

pith:2019:RM2T2MLKJJ7XGQH7HPOUFB52MA

not attested not anchored not stored refs pending

Reduction of Kinetic Equations to Li\'enard-Levinson-Smith Form: Counting Limit Cycles

Deb Shankar Ray, Gautam Gangopadhyay, Sandip Saha

arxiv:1904.00604 v2 · 2019-04-01 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RM2T2MLKJJ7XGQH7HPOUFB52MA}

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	2026-05-17T23:49:38.182075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b353d316a4a7f7340ff3bdd4287ba60023b2f4767006cc2cad5711a1879db2f

Aliases

arxiv: 1904.00604 · arxiv_version: 1904.00604v2 · doi: 10.48550/arxiv.1904.00604 · pith_short_12: RM2T2MLKJJ7X · pith_short_16: RM2T2MLKJJ7XGQH7 · pith_short_8: RM2T2MLK

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/RM2T2MLKJJ7XGQH7HPOUFB52MA \
  | 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: 8b353d316a4a7f7340ff3bdd4287ba60023b2f4767006cc2cad5711a1879db2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fea0015ec987c443307de62d27d22834bc84a6f119e03556f6c67c33bb5c4738",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-04-01T07:23:30Z",
    "title_canon_sha256": "bacb019e04d89e096930cd5e1c5b21bd2ef2902d90d7dfa4303b95129882fb16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00604",
    "kind": "arxiv",
    "version": 2
  }
}