Pith Number

pith:SYBWBZFY

pith:2008:SYBWBZFYEHIAKAJIEQJK6NVEBQ

not attested not anchored not stored refs pending

Contact Integrable Extensions of Symmetry Pseudo-Group and Coverings of the r-th Modified Dispersionless Kadomtsev -- Petviashvili Equation

Oleg I. Morozov

arxiv:0809.1218 v1 · 2008-09-07 · math.DG · 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{SYBWBZFYEHIAKAJIEQJK6NVEBQ}

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	2026-05-18T02:15:35.309636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

960360e4b821d00501282412af36a40c23bddbfcd3c64df1a133685fef398459

Aliases

arxiv: 0809.1218 · arxiv_version: 0809.1218v1 · doi: 10.48550/arxiv.0809.1218 · pith_short_12: SYBWBZFYEHIA · pith_short_16: SYBWBZFYEHIAKAJI · pith_short_8: SYBWBZFY

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/SYBWBZFYEHIAKAJIEQJK6NVEBQ \
  | 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: 960360e4b821d00501282412af36a40c23bddbfcd3c64df1a133685fef398459

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adc310118a77c2ddb37ce7d263bb4770f2bae6b6af868dd9f8ec9e7bda4de79c",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2008-09-07T10:45:25Z",
    "title_canon_sha256": "bbaeac618786c525d3bf18034506435af19ed78a29cbbd628f87c02bbcb5240c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1218",
    "kind": "arxiv",
    "version": 1
  }
}