Pith Number

pith:5IFMUY5R

pith:1997:5IFMUY5R7ETOJUDLOHWUB2QDMA

not attested not anchored not stored refs pending

Graded Symmetry Algebras of Time-Dependent Evolution Equations and Application to the Modified KP equations

P. J. Caudrey, R. K. Bullough, W. X. Ma

arxiv:solv-int/9705015 v1 · 1997-05-27 · solv-int · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5IFMUY5R7ETOJUDLOHWUB2QDMA}

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	2026-05-18T01:37:52.004128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea0aca63b1f926e4d06b71ed40ea0360277b16507ddcf74eded751ed789705e1

Aliases

arxiv: solv-int/9705015 · arxiv_version: solv-int/9705015v1 · doi: 10.48550/arxiv.solv-int/9705015 · pith_short_12: 5IFMUY5R7ETO · pith_short_16: 5IFMUY5R7ETOJUDL · pith_short_8: 5IFMUY5R

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/5IFMUY5R7ETOJUDLOHWUB2QDMA \
  | 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: ea0aca63b1f926e4d06b71ed40ea0360277b16507ddcf74eded751ed789705e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88b93a2bfb39f30a194a4786fd0581c44c2a591e3cce4b0425f0862ff5c17611",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1997-05-27T08:52:10Z",
    "title_canon_sha256": "48a9af493a1f20b3131258d4b4139c7c1e37861475be33d84e723c9c8b6110bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9705015",
    "kind": "arxiv",
    "version": 1
  }
}