Pith Number

pith:3H7FA6UM

pith:2017:3H7FA6UMP2M52MXM3SXK4RIJVD

not attested not anchored not stored refs pending

The Camassa--Holm Equation and The String Density Problem

Aleksey Kostenko, Gerald Teschl, Jonathan Eckhardt

arxiv:1701.03598 v1 · 2017-01-13 · math-ph · math.AP · math.CA · math.MP · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3H7FA6UMP2M52MXM3SXK4RIJVD}

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	2026-05-18T00:52:54.398464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9fe507a8c7e99dd32ecdcaeae4509a8cfc32f60ab87342ee7e91f4e8166d620

Aliases

arxiv: 1701.03598 · arxiv_version: 1701.03598v1 · doi: 10.48550/arxiv.1701.03598 · pith_short_12: 3H7FA6UMP2M5 · pith_short_16: 3H7FA6UMP2M52MXM · pith_short_8: 3H7FA6UM

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/3H7FA6UMP2M52MXM3SXK4RIJVD \
  | 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: d9fe507a8c7e99dd32ecdcaeae4509a8cfc32f60ab87342ee7e91f4e8166d620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45c1e2cd295fd6e94b2ae96eefcc52f9768aa0be4e15da715cf62bc9fc512482",
    "cross_cats_sorted": [
      "math.AP",
      "math.CA",
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-01-13T09:15:55Z",
    "title_canon_sha256": "8b951568a20245aff9cb928eda1d676aeb82c7f8991f13574113af492c216ccd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03598",
    "kind": "arxiv",
    "version": 1
  }
}