Pith Number

pith:L4WFS2YV

pith:2000:L4WFS2YV42PUFJGHIYU2HTNX5Y

not attested not anchored not stored refs pending

Solving second order equations by extending the PS method

J.E.F.Skea (UERJ), L.A. da Mota, L.G.S. Duarte

arxiv:math-ph/0001004 v1 · 2000-01-03 · math-ph · math.CA · 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{L4WFS2YV42PUFJGHIYU2HTNX5Y}

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	2026-07-04T15:14:46.922416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f2c596b15e69f42a4c74629a3cdb7ee3a74aa4fdb079875dd0034f84c699076

Aliases

arxiv: math-ph/0001004 · arxiv_version: math-ph/0001004v1 · doi: 10.48550/arxiv.math-ph/0001004 · pith_short_12: L4WFS2YV42PU · pith_short_16: L4WFS2YV42PUFJGH · pith_short_8: L4WFS2YV

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/L4WFS2YV42PUFJGHIYU2HTNX5Y \
  | 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: 5f2c596b15e69f42a4c74629a3cdb7ee3a74aa4fdb079875dd0034f84c699076

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2774b1ceadd2bbda7729f0ae89c42afdd16c5b0062851abe7453a3cf4e9a8756",
    "cross_cats_sorted": [
      "math.CA",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2000-01-03T20:40:14Z",
    "title_canon_sha256": "48ff8a3317b7aad866fcab94ada72f58ae90337368aaa1b8c4dd6af4a5f238f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0001004",
    "kind": "arxiv",
    "version": 1
  }
}