Pith Number

pith:IKINTPTH

pith:2019:IKINTPTHHFWYT4QPURNMLLJBOM

not attested not anchored not stored refs pending

Symmetries and hamiltonians of Ince's XXXVIII and XLIX equations

A.H. Zimerman, H. Aratyn, J.F. Gomes, V.C.C. Alves

arxiv:1904.12906 v1 · 2019-04-29 · 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{IKINTPTHHFWYT4QPURNMLLJBOM}

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	2026-05-17T23:47:24.506631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4290d9be67396d89f20fa45ac5ad217307b8a1d95cd404ef486e592bdd7b8821

Aliases

arxiv: 1904.12906 · arxiv_version: 1904.12906v1 · doi: 10.48550/arxiv.1904.12906 · pith_short_12: IKINTPTHHFWY · pith_short_16: IKINTPTHHFWYT4QP · pith_short_8: IKINTPTH

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/IKINTPTHHFWYT4QPURNMLLJBOM \
  | 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: 4290d9be67396d89f20fa45ac5ad217307b8a1d95cd404ef486e592bdd7b8821

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1fbe0f2b1541a1db8595a8ef4856887b9e8e04c84e357d326ccab91298f5d38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2019-04-29T18:59:52Z",
    "title_canon_sha256": "d274ff44131fde2c57e2d684a5f3e4880bbdb8de2e378676c45cc80eaaef08a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12906",
    "kind": "arxiv",
    "version": 1
  }
}