Pith Number

pith:FYTU4AOM

pith:2003:FYTU4AOMMPOYNE3MKRHT4QT42S

not attested not anchored not stored refs pending

The PDEs of biorthogonal polynomials arising in the two-matrix model

B. Eynard, M. Bertola

arxiv:nlin/0311033 v2 · 2003-11-18 · 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{FYTU4AOMMPOYNE3MKRHT4QT42S}

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	2026-05-18T01:38:19.180811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e274e01cc63dd86936c544f3e427cd483fb82e460a619cbf4dba5506938c3d6

Aliases

arxiv: nlin/0311033 · arxiv_version: nlin/0311033v2 · doi: 10.48550/arxiv.nlin/0311033 · pith_short_12: FYTU4AOMMPOY · pith_short_16: FYTU4AOMMPOYNE3M · pith_short_8: FYTU4AOM

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/FYTU4AOMMPOYNE3MKRHT4QT42S \
  | 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: 2e274e01cc63dd86936c544f3e427cd483fb82e460a619cbf4dba5506938c3d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5618b4d3141675cc2f9e24feebbbb592ff2422ba80a6d468cae2bb82b3163906",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2003-11-18T01:16:26Z",
    "title_canon_sha256": "e5dde4c21efae1e05e9e554a3cfa084405837d8a77f5121c15c44e43a0e9b2b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0311033",
    "kind": "arxiv",
    "version": 2
  }
}