Pith Number

pith:FNOKOLID

pith:2008:FNOKOLIDSXBZF3J5VKQ4NSCK5H

not attested not anchored not stored refs pending

Lie Symmetries and Solutions of KdV Equation

Mehdi Nadjafikhah, Seyed-Reza Hejazi

arxiv:0803.0387 v2 · 2008-03-04 · math-ph · 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{FNOKOLIDSXBZF3J5VKQ4NSCK5H}

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	2026-05-18T04:00:27.242107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b5ca72d0395c392ed3daaa1c6c84ae9ffa0c0d58f8b5e68b49f591065075eca

Aliases

arxiv: 0803.0387 · arxiv_version: 0803.0387v2 · doi: 10.48550/arxiv.0803.0387 · pith_short_12: FNOKOLIDSXBZ · pith_short_16: FNOKOLIDSXBZF3J5 · pith_short_8: FNOKOLID

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/FNOKOLIDSXBZF3J5VKQ4NSCK5H \
  | 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: 2b5ca72d0395c392ed3daaa1c6c84ae9ffa0c0d58f8b5e68b49f591065075eca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd60773b7db149d0f31552fc237388231c46bf32eab9821a0b8678b8fcbf7400",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2008-03-04T08:32:22Z",
    "title_canon_sha256": "1dde3e18c72adea5e14357d78e9a41de41f940a9e7aad327ec2dbbed2f5a2f8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.0387",
    "kind": "arxiv",
    "version": 2
  }
}