Pith Number

pith:UKX7VREP

pith:2012:UKX7VREPKUZGGCYE34GZB3JY6T

not attested not anchored not stored refs pending

Ghost symmetry of the discrete KP hierarchy

Chuanzhong Li, Jingsong He, Jipeng Cheng, Kelei Tian, Maohua Li

arxiv:1201.4419 v3 · 2012-01-21 · 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{UKX7VREPKUZGGCYE34GZB3JY6T}

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	2026-05-18T01:37:11.777097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2affac48f5532630b04df0d90ed38f4c50e8a416abc6a3519de0135b6219fd4

Aliases

arxiv: 1201.4419 · arxiv_version: 1201.4419v3 · doi: 10.48550/arxiv.1201.4419 · pith_short_12: UKX7VREPKUZG · pith_short_16: UKX7VREPKUZGGCYE · pith_short_8: UKX7VREP

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/UKX7VREPKUZGGCYE34GZB3JY6T \
  | 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: a2affac48f5532630b04df0d90ed38f4c50e8a416abc6a3519de0135b6219fd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eafd2c33a80df7289bb8a039a6d8b5716f6148b76e13db81691b8b5ca1f446e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-01-21T01:15:54Z",
    "title_canon_sha256": "417250c43e8c739347118a310c62acd2dd655035752b70f4ed171fc1d940fe48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4419",
    "kind": "arxiv",
    "version": 3
  }
}