Pith Number

pith:HN4WJIU2

pith:2011:HN4WJIU2Q3HDGXVL2VECMPWQX3

not attested not anchored not stored refs pending

Evolution of smooth shapes and integrable systems

Alexander Vasil'ev, Irina Markina

arxiv:1108.1007 v2 · 2011-08-04 · 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{HN4WJIU2Q3HDGXVL2VECMPWQX3}

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	2026-05-18T04:09:26.911114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b7964a29a86ce335eabd548263ed0bece2b48885efd3d526cc91cbdbe53a64f

Aliases

arxiv: 1108.1007 · arxiv_version: 1108.1007v2 · doi: 10.48550/arxiv.1108.1007 · pith_short_12: HN4WJIU2Q3HD · pith_short_16: HN4WJIU2Q3HDGXVL · pith_short_8: HN4WJIU2

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/HN4WJIU2Q3HDGXVL2VECMPWQX3 \
  | 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: 3b7964a29a86ce335eabd548263ed0bece2b48885efd3d526cc91cbdbe53a64f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a0c48b79ae5fccbc57d936365812cb089f889f70fcaf033fc0e1a772fd873e9",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-08-04T07:26:43Z",
    "title_canon_sha256": "091c372990f19a4af93dba5053bca1b79067ad2226d97c47144e8f17420bae9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1007",
    "kind": "arxiv",
    "version": 2
  }
}