Pith Number

pith:JB7UQ23I

pith:2012:JB7UQ23IRVMO63B5GCMGSQ5LZP

not attested not anchored not stored refs pending

The algebro-geometric solutions for Hunter-Saxton hierarchy

Engui Fan, Peng Zhao, Yu Hou

arxiv:1207.0574 v1 · 2012-07-03 · 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{JB7UQ23IRVMO63B5GCMGSQ5LZP}

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	2026-05-18T03:51:57.704950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

487f486b688d58ef6c3d30986943abcbe83bd7ac6dfc440abfd403d667206a6a

Aliases

arxiv: 1207.0574 · arxiv_version: 1207.0574v1 · doi: 10.48550/arxiv.1207.0574 · pith_short_12: JB7UQ23IRVMO · pith_short_16: JB7UQ23IRVMO63B5 · pith_short_8: JB7UQ23I

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/JB7UQ23IRVMO63B5GCMGSQ5LZP \
  | 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: 487f486b688d58ef6c3d30986943abcbe83bd7ac6dfc440abfd403d667206a6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63c57ea3bd24a86ea80f86333d29cec8c012376467bf0983f77f96eb9516b9f1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-07-03T05:37:35Z",
    "title_canon_sha256": "56f8c86dce573df9b398802864c247724bb4dda7e56a3936c89317de0c323599"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0574",
    "kind": "arxiv",
    "version": 1
  }
}