Pith Number

pith:5EGH3GTR

pith:2015:5EGH3GTRJTK55F23G32ZDTBNYU

not attested not anchored not stored refs pending

Integrable $1+1$ dimensional hierarchies arising from the reduction of a nonisospectral problem in $2+1$ dimensions

C. Sard\'on, J.D. Lejarreta, P.G. Est\'evez

arxiv:1508.00561 v1 · 2015-08-03 · math-ph · math.AP · 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{5EGH3GTRJTK55F23G32ZDTBNYU}

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	2026-05-18T01:35:53.950892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e90c7d9a714cd5de975b36f591cc2dc50aa225d5cd1219488e8cc167780a2516

Aliases

arxiv: 1508.00561 · arxiv_version: 1508.00561v1 · doi: 10.48550/arxiv.1508.00561 · pith_short_12: 5EGH3GTRJTK5 · pith_short_16: 5EGH3GTRJTK55F23 · pith_short_8: 5EGH3GTR

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/5EGH3GTRJTK55F23G32ZDTBNYU \
  | 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: e90c7d9a714cd5de975b36f591cc2dc50aa225d5cd1219488e8cc167780a2516

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "113a6ac06165ae0240f0d3191ca96a67de1f2dbffaaaeb7836fc6c22580352f5",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-08-03T16:46:38Z",
    "title_canon_sha256": "98db0b4ace6134b4540c8d2afe4ed2a9e78ec10585a192d51835a9ca438321ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00561",
    "kind": "arxiv",
    "version": 1
  }
}