Pith Number

pith:RIFCWLMA

pith:1994:RIFCWLMA3JZ337VP4E2SAHXTM4

not attested not anchored not stored refs pending

Algorithms for the Nonclassical Method of Symmetry Reductions

Elizabeth L. Mansfield (Department of Mathematics, Exeter, Peter A. Clarkson, U.K.), University of Exeter

arxiv:solv-int/9401002 v2 · 1994-01-12 · 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{RIFCWLMA3JZ337VP4E2SAHXTM4}

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	2026-07-04T15:07:58.304572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a0a2b2d80da73bdfeafe135201ef3671952bfa9fd3a0d02def04f10ee480b70

Aliases

arxiv: solv-int/9401002 · arxiv_version: solv-int/9401002v2 · doi: 10.48550/arxiv.solv-int/9401002 · pith_short_12: RIFCWLMA3JZ3 · pith_short_16: RIFCWLMA3JZ337VP · pith_short_8: RIFCWLMA

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/RIFCWLMA3JZ337VP4E2SAHXTM4 \
  | 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: 8a0a2b2d80da73bdfeafe135201ef3671952bfa9fd3a0d02def04f10ee480b70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a914ba3151d6496e951b58d1f6ca37bea255451601c2eec5f53c23dc6a460db2",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1994-01-12T17:32:39Z",
    "title_canon_sha256": "bc3fd7d2bf7694803777d38c43f1b2025af38513e02c050e4d1575e1996bba6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9401002",
    "kind": "arxiv",
    "version": 2
  }
}