Pith Number

pith:YC52WQYC

pith:2016:YC52WQYCO5FDFX2TZT6CW7VSTR

not attested not anchored not stored refs pending

On existence of an x-integral for a semi-discrete chain of hyperbolic type

Kostyantyn Zheltukhin, Natalya Zheltukhina

arxiv:1604.00220 v1 · 2016-04-01 · 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{YC52WQYCO5FDFX2TZT6CW7VSTR}

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	2026-05-18T01:17:16.728726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0bbab4302774a32df53ccfc2b7eb29c7454b791d451d3f220b1daffb7dba9e0

Aliases

arxiv: 1604.00220 · arxiv_version: 1604.00220v1 · doi: 10.48550/arxiv.1604.00220 · pith_short_12: YC52WQYCO5FD · pith_short_16: YC52WQYCO5FDFX2T · pith_short_8: YC52WQYC

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/YC52WQYCO5FDFX2TZT6CW7VSTR \
  | 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: c0bbab4302774a32df53ccfc2b7eb29c7454b791d451d3f220b1daffb7dba9e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45c49559d7e4c463e3db89e5110ad13813ef11c214cacc5bea1fadae2a020343",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2016-04-01T12:44:56Z",
    "title_canon_sha256": "538806d5d54adc97ac6ffd3619ff9595fe537d8bfcfd93b04baaa6619be39494"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00220",
    "kind": "arxiv",
    "version": 1
  }
}