Pith Number

pith:LSDW2S4U

pith:2009:LSDW2S4UQPSFA6IPCDSQXS36LI

not attested not anchored not stored refs pending

On KP-II type equations on cylinders

Axel Gr\"unrock, Jorge Drumond Silva, Mahendra Panthee

arxiv:0901.2004 v1 · 2009-01-14 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LSDW2S4UQPSFA6IPCDSQXS36LI}

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	2026-05-18T02:14:57.506467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c876d4b9483e450790f10e50bcb7e5a11cbf92256422122b28ebac826c8483e

Aliases

arxiv: 0901.2004 · arxiv_version: 0901.2004v1 · doi: 10.48550/arxiv.0901.2004 · pith_short_12: LSDW2S4UQPSF · pith_short_16: LSDW2S4UQPSFA6IP · pith_short_8: LSDW2S4U

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/LSDW2S4UQPSFA6IPCDSQXS36LI \
  | 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: 5c876d4b9483e450790f10e50bcb7e5a11cbf92256422122b28ebac826c8483e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6122cc9d46fde2da9d854bff71fb6fb9aa788399efadec8fa465e35921d724ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-01-14T13:45:09Z",
    "title_canon_sha256": "db400d424f04d08657a85f2bd54b7645c1c1aa628aafafca01ae3dc18aff68ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2004",
    "kind": "arxiv",
    "version": 1
  }
}