Pith Number

pith:V7I2B3RM

pith:2012:V7I2B3RMYMD6FEWOAVEDJJG5QS

not attested not anchored not stored refs pending

On the weakly dissipative Camassa-Holm, Degasperis-Procesi, and Novikov equations

Jonatan Lenells, Marcus Wunsch

arxiv:1207.0968 v1 · 2012-07-04 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7I2B3RMYMD6FEWOAVEDJJG5QS}

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	2026-05-18T03:51:47.826890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afd1a0ee2cc307e292ce054834a4dd8489cccb139120763da4ef6e520ffcb620

Aliases

arxiv: 1207.0968 · arxiv_version: 1207.0968v1 · doi: 10.48550/arxiv.1207.0968 · pith_short_12: V7I2B3RMYMD6 · pith_short_16: V7I2B3RMYMD6FEWO · pith_short_8: V7I2B3RM

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/V7I2B3RMYMD6FEWOAVEDJJG5QS \
  | 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: afd1a0ee2cc307e292ce054834a4dd8489cccb139120763da4ef6e520ffcb620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c83e4eda5f6cc5ceb508154e99fd47ec82b744051d3e1d228e6924c1c8d37c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-07-04T13:19:03Z",
    "title_canon_sha256": "8ffb45836b48d753226bbcd40feffa62fa2d4b0e176ba0dd627572b392c58306"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0968",
    "kind": "arxiv",
    "version": 1
  }
}