Pith Number

pith:JPNGDP2E

pith:2013:JPNGDP2EAXNY7ONTCMDB7UKXIR

not attested not anchored not stored refs pending

On the persistence properties of the cross-coupled Camassa-Holm system

Darryl D. Holm, David Henry, Rossen I. Ivanov

arxiv:1311.2127 v1 · 2013-11-09 · 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{JPNGDP2EAXNY7ONTCMDB7UKXIR}

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	2026-05-18T03:07:33.463089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bda61bf4405db8fb9b313061fd157445825559e9da06301c6c5045ed2c406c3

Aliases

arxiv: 1311.2127 · arxiv_version: 1311.2127v1 · doi: 10.48550/arxiv.1311.2127 · pith_short_12: JPNGDP2EAXNY · pith_short_16: JPNGDP2EAXNY7ONT · pith_short_8: JPNGDP2E

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/JPNGDP2EAXNY7ONTCMDB7UKXIR \
  | 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: 4bda61bf4405db8fb9b313061fd157445825559e9da06301c6c5045ed2c406c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e967dbabd792c0037c95cd1f2f9d282b9a28860c98a4e4b11b272424750fef81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-11-09T02:13:02Z",
    "title_canon_sha256": "0e3181aeaa0c88bf8271be3aab436f6d710a48acaf978ddb6cfea20d7a577e69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2127",
    "kind": "arxiv",
    "version": 1
  }
}