Pith Number

pith:K3COHM7S

pith:2011:K3COHM7S7GUIESXBIHR55425JR

not attested not anchored not stored refs pending

The periodic two-dimensional $\mu$-$b$-equation as an EPDiff equation

Martin Kohlmann

arxiv:1107.5404 v2 · 2011-07-27 · 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{K3COHM7S7GUIESXBIHR55425JR}

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	2026-05-18T03:58:05.118373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56c4e3b3f2f9a8824ae141e3def35d4c7199348cd538e0fc034f311f80042c74

Aliases

arxiv: 1107.5404 · arxiv_version: 1107.5404v2 · doi: 10.48550/arxiv.1107.5404 · pith_short_12: K3COHM7S7GUI · pith_short_16: K3COHM7S7GUIESXB · pith_short_8: K3COHM7S

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/K3COHM7S7GUIESXBIHR55425JR \
  | 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: 56c4e3b3f2f9a8824ae141e3def35d4c7199348cd538e0fc034f311f80042c74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "768cf7c49a547695ada88e7e63dcea33047cc5023a59c06077f4a0c4be2b6025",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-07-27T08:03:25Z",
    "title_canon_sha256": "b8676db97efea291d13ee66650a0b897e2b41da5c976abde33f9522c476d72d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5404",
    "kind": "arxiv",
    "version": 2
  }
}