Pith Number

pith:JL3WSNE5

pith:2012:JL3WSNE57LM2R2YBXP624KM5F6

not attested not anchored not stored refs pending

Homoclinic Orbits of the FitzHugh-Nagumo Equation: The Singular-Limit

Christian Kuehn, John Guckenheimer

arxiv:1201.5901 v1 · 2012-01-27 · math.DS · nlin.CD · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JL3WSNE57LM2R2YBXP624KM5F6}

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	2026-05-18T04:03:34.330338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4af769349dfad9a8eb01bbfdae299d2f945f0255c123d354ee2d6bc882f20c77

Aliases

arxiv: 1201.5901 · arxiv_version: 1201.5901v1 · doi: 10.48550/arxiv.1201.5901 · pith_short_12: JL3WSNE57LM2 · pith_short_16: JL3WSNE57LM2R2YB · pith_short_8: JL3WSNE5

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/JL3WSNE57LM2R2YBXP624KM5F6 \
  | 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: 4af769349dfad9a8eb01bbfdae299d2f945f0255c123d354ee2d6bc882f20c77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13e3cc55f7d991645947ab1d1603d516d5b8f58e1ca37119368bb1e0ed7f2a31",
    "cross_cats_sorted": [
      "nlin.CD",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-01-27T21:31:31Z",
    "title_canon_sha256": "8723ba8d7f6a55e95f4c4afd3901aa0fb6108b1443c2759b3798c270416c93d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5901",
    "kind": "arxiv",
    "version": 1
  }
}