Pith Number

pith:YVXRPSXV

pith:2019:YVXRPSXVSXYNXTVJUFYGOXV7QZ

not attested not anchored not stored refs pending

d-orthogonal polynomials, Toda Lattice and Virasoro symmetries

Emil Horozov

arxiv:1904.08173 v1 · 2019-04-17 · 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{YVXRPSXVSXYNXTVJUFYGOXV7QZ}

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	2026-05-17T23:48:18.552489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c56f17caf595f0dbcea9a170675ebf865232354ebf5d310b314514867d86943a

Aliases

arxiv: 1904.08173 · arxiv_version: 1904.08173v1 · doi: 10.48550/arxiv.1904.08173 · pith_short_12: YVXRPSXVSXYN · pith_short_16: YVXRPSXVSXYNXTVJ · pith_short_8: YVXRPSXV

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/YVXRPSXVSXYNXTVJUFYGOXV7QZ \
  | 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: c56f17caf595f0dbcea9a170675ebf865232354ebf5d310b314514867d86943a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10614e625757b90bffcd3a3a1ca75b1aef426643887360936ccc29fbe8de90ee",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-04-17T10:36:33Z",
    "title_canon_sha256": "1f8c06763d3df0a580141898130d5d773ee19d7ae53061ce010f37a3879b914a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08173",
    "kind": "arxiv",
    "version": 1
  }
}