Pith Number

pith:I4LPGWON

pith:2014:I4LPGWONGUO6H6WGTR2XWOHBOV

not attested not anchored not stored refs pending

Automorphisms of surfaces: Kummer rigidity and measure of maximal entropy

Christophe Dupont (IRMAR), Serge Cantat (IRMAR)

arxiv:1410.1202 v1 · 2014-10-05 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I4LPGWONGUO6H6WGTR2XWOHBOV}

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	2026-05-18T02:41:02.491277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4716f359cd351de3fac69c757b38e1754bc63885084deef27dfe9c18cccd8e5f

Aliases

arxiv: 1410.1202 · arxiv_version: 1410.1202v1 · doi: 10.48550/arxiv.1410.1202 · pith_short_12: I4LPGWONGUO6 · pith_short_16: I4LPGWONGUO6H6WG · pith_short_8: I4LPGWON

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/I4LPGWONGUO6H6WGTR2XWOHBOV \
  | 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: 4716f359cd351de3fac69c757b38e1754bc63885084deef27dfe9c18cccd8e5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7232b8ff6527e09abfee53b3ca6e220d29d53bfac0b2e38d0fdd680de4ca8743",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-10-05T19:44:43Z",
    "title_canon_sha256": "157ee6ab34b56ad755a39e321055536efb2be1968177ea79eee3a0d1a147dc09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1202",
    "kind": "arxiv",
    "version": 1
  }
}