Pith Number

pith:4ROY67GK

pith:2019:4ROY67GKIATJDFIJNWSABEZYRX

not attested not anchored not stored refs pending

Elliptic solutions of Boussinesq type lattice equations and the elliptic Nth root of unity

Da-jun Zhang, Frank W Nijhoff, Ying-ying Sun

arxiv:1909.02948 v1 · 2019-09-06 · 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{4ROY67GKIATJDFIJNWSABEZYRX}

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	2026-07-05T00:02:44.680996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e45d8f7cca40269195096da40093388dee4e77b00cf438b3037af2c6a451e7e9

Aliases

arxiv: 1909.02948 · arxiv_version: 1909.02948v1 · doi: 10.48550/arxiv.1909.02948 · pith_short_12: 4ROY67GKIATJ · pith_short_16: 4ROY67GKIATJDFIJ · pith_short_8: 4ROY67GK

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/4ROY67GKIATJDFIJNWSABEZYRX \
  | 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: e45d8f7cca40269195096da40093388dee4e77b00cf438b3037af2c6a451e7e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eba15fa6c5f58a02137685929051aa99604207a5b575b42f9e8ce75ae1c3c484",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2019-09-06T14:57:25Z",
    "title_canon_sha256": "d8de9fb678b1c4a481dc38ae73adaabb74a8951521b2d1f2fc1729d0acdc7daa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02948",
    "kind": "arxiv",
    "version": 1
  }
}