Pith Number

pith:BDU25YAV

pith:2005:BDU25YAVQHOY4WRCUXY6Y6LDRV

not attested not anchored not stored refs pending

KdV Surfaces

Metin Gurses, Suleyman Tek

arxiv:nlin/0511049 v1 · 2005-11-23 · nlin.SI · gr-qc · hep-th · math-ph · math.DG · 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{BDU25YAVQHOY4WRCUXY6Y6LDRV}

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	2026-07-04T14:51:46.428433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08e9aee01581dd8e5a22a5f1ec79638d5d0d5c8f22363363817cd0d8b82a0f73

Aliases

arxiv: nlin/0511049 · arxiv_version: nlin/0511049v1 · doi: 10.48550/arxiv.nlin/0511049 · pith_short_12: BDU25YAVQHOY · pith_short_16: BDU25YAVQHOY4WRC · pith_short_8: BDU25YAV

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/BDU25YAVQHOY4WRCUXY6Y6LDRV \
  | 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: 08e9aee01581dd8e5a22a5f1ec79638d5d0d5c8f22363363817cd0d8b82a0f73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23971d74ae03c7f6c866e210d24ca6c5ccdce3ea37bb09531c7c9261759b91cc",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math-ph",
      "math.DG",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2005-11-23T10:11:31Z",
    "title_canon_sha256": "b3c2fa9a1a36e78ced9e48d8bb8145ba6d722851d5aa3e85f4d835ef2a298fac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0511049",
    "kind": "arxiv",
    "version": 1
  }
}