Pith Number

pith:PAUQEGWP

pith:2012:PAUQEGWPPALTA6YVZLLGMS4VMQ

not attested not anchored not stored refs pending

Bihamiltonian Cohomologies and Integrable Hierarchies I: A Special Case

Si-Qi Liu, Youjin Zhang

arxiv:1208.5847 v2 · 2012-08-29 · math.DG · 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{PAUQEGWPPALTA6YVZLLGMS4VMQ}

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	2026-05-18T01:54:50.465112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7829021acf7817307b15cad6664b95640f64da69e6f3f1c8523ea53c79f57f76

Aliases

arxiv: 1208.5847 · arxiv_version: 1208.5847v2 · doi: 10.48550/arxiv.1208.5847 · pith_short_12: PAUQEGWPPALT · pith_short_16: PAUQEGWPPALTA6YV · pith_short_8: PAUQEGWP

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/PAUQEGWPPALTA6YVZLLGMS4VMQ \
  | 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: 7829021acf7817307b15cad6664b95640f64da69e6f3f1c8523ea53c79f57f76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bdf6a52db0692c791203fb6602a36234e0cb057f8b38cc7edd1d0d9cff0b222",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-08-29T06:38:05Z",
    "title_canon_sha256": "af56d24507a61555029d1e5d2d81d2cc0c19580133bcb2bc8785bbc680225183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5847",
    "kind": "arxiv",
    "version": 2
  }
}