Pith Number

pith:SFTXOIQ3

pith:2005:SFTXOIQ32R5P2SIS7VPCGHMKPU

not attested not anchored not stored refs pending

Towards soliton solutions of a perturbed sine-Gordon equation

Armando D'Anna, Gaetano Fiore, Monica De Angelis

arxiv:math-ph/0507005 v2 · 2005-07-01 · 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{SFTXOIQ32R5P2SIS7VPCGHMKPU}

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	2026-05-18T03:44:34.407809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

916777221bd47afd4912fd5e231d8a7d1b776f224fd024ce421fdda5e28f86a8

Aliases

arxiv: math-ph/0507005 · arxiv_version: math-ph/0507005v2 · doi: 10.48550/arxiv.math-ph/0507005 · pith_short_12: SFTXOIQ32R5P · pith_short_16: SFTXOIQ32R5P2SIS · pith_short_8: SFTXOIQ3

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/SFTXOIQ32R5P2SIS7VPCGHMKPU \
  | 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: 916777221bd47afd4912fd5e231d8a7d1b776f224fd024ce421fdda5e28f86a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb5d9403fd045f2e7f28c7aeeb6e1e50ba93d2d178733208359a25649bf4ac1c",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2005-07-01T17:00:50Z",
    "title_canon_sha256": "36d1d466b303b2f00eba32d54a66321bbd800e6a1277b5ba272705ad29274a03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0507005",
    "kind": "arxiv",
    "version": 2
  }
}