Pith Number

pith:UXH6YQSY

pith:2010:UXH6YQSYRSQYFWVEBEYPOMG7OI

not attested not anchored not stored refs pending

Virasoro and W-constraints for the $q$-KP hierarchy

Jingsong He, Kelei Tian, Yi Cheng

arxiv:1004.0550 v1 · 2010-04-05 · 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{UXH6YQSYRSQYFWVEBEYPOMG7OI}

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	2026-05-18T02:08:14.483249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5cfec42588ca182daa40930f730df7238d381cc2869dd9c3f5e7781778dc7c3

Aliases

arxiv: 1004.0550 · arxiv_version: 1004.0550v1 · doi: 10.48550/arxiv.1004.0550 · pith_short_12: UXH6YQSYRSQY · pith_short_16: UXH6YQSYRSQYFWVE · pith_short_8: UXH6YQSY

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/UXH6YQSYRSQYFWVEBEYPOMG7OI \
  | 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: a5cfec42588ca182daa40930f730df7238d381cc2869dd9c3f5e7781778dc7c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f42b0bed4c9cd16fecc93f43b81c3b31334fda6e86cb2c868b0b581ae243eae",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2010-04-05T01:34:43Z",
    "title_canon_sha256": "795e502b987517908aa6de5661af91ad8a726f4e50131a66e8ccd18d3e6b3616"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0550",
    "kind": "arxiv",
    "version": 1
  }
}