Pith Number

pith:XX3WIEGS

pith:2014:XX3WIEGS47JH4ZZW5A7TPVIBXA

not attested not anchored not stored refs pending

Ergodic components and topological entropy in geodesic flows of surfaces

Jan Philipp Schr\"oder

arxiv:1407.6259 v1 · 2014-07-23 · math.DS · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XX3WIEGS47JH4ZZW5A7TPVIBXA}

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	2026-05-18T02:46:40.068915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdf76410d2e7d27e6736e83f37d501b823e8356c2f425d111566f66762fe8f6e

Aliases

arxiv: 1407.6259 · arxiv_version: 1407.6259v1 · doi: 10.48550/arxiv.1407.6259 · pith_short_12: XX3WIEGS47JH · pith_short_16: XX3WIEGS47JH4ZZW · pith_short_8: XX3WIEGS

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/XX3WIEGS47JH4ZZW5A7TPVIBXA \
  | 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: bdf76410d2e7d27e6736e83f37d501b823e8356c2f425d111566f66762fe8f6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ddbbaa0ab4a2044ea3eb98b1a48c1a0a2e3379460fb24ee86ffcda681a7e4b1",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-07-23T15:25:08Z",
    "title_canon_sha256": "5594b124b2578d8408497aedc0fabfee9379ff9ba9e9669652eb840594aa17e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6259",
    "kind": "arxiv",
    "version": 1
  }
}