Pith Number

pith:IG2OJQVT

pith:2012:IG2OJQVTNGPQ7YP2T2NPLFXEHK

not attested not anchored not stored refs pending

Salem Numbers and Automorphisms of Complex Surfaces

Paul Reschke

arxiv:1202.5245 v1 · 2012-02-23 · math.DS · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IG2OJQVTNGPQ7YP2T2NPLFXEHK}

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	2026-05-18T04:01:38.643903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41b4e4c2b3699f0fe1fa9e9af596e43a8751713704a453b42f3f24768edf6c05

Aliases

arxiv: 1202.5245 · arxiv_version: 1202.5245v1 · doi: 10.48550/arxiv.1202.5245 · pith_short_12: IG2OJQVTNGPQ · pith_short_16: IG2OJQVTNGPQ7YP2 · pith_short_8: IG2OJQVT

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/IG2OJQVTNGPQ7YP2T2NPLFXEHK \
  | 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: 41b4e4c2b3699f0fe1fa9e9af596e43a8751713704a453b42f3f24768edf6c05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1a93113fc84ee463d6c74b35d29e4af8fbe882e5a8ad6c3d2460e51e089ba88",
    "cross_cats_sorted": [
      "math.AG",
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-02-23T17:53:32Z",
    "title_canon_sha256": "2ae4a5f4ff4e9513816c87d0274383b53a835e51c814e05f3f017549ae6e2756"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5245",
    "kind": "arxiv",
    "version": 1
  }
}