Pith Number

pith:AELUSPQN

pith:2013:AELUSPQNAXRHXOYZH4KAHOAUTN

not attested not anchored not stored refs pending

The symplectic mapping class group of $\CC P^2 n{\bar{\CC P^2}}$ with $n\leq4$

Jun Li, Tian-Jun Li, WeiWei Wu

arxiv:1310.7329 v2 · 2013-10-28 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AELUSPQNAXRHXOYZH4KAHOAUTN}

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	2026-05-18T02:52:41.805212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0117493e0d05e27bbb193f1403b8149b6d70c633b21320871335b6a131752bdc

Aliases

arxiv: 1310.7329 · arxiv_version: 1310.7329v2 · doi: 10.48550/arxiv.1310.7329 · pith_short_12: AELUSPQNAXRH · pith_short_16: AELUSPQNAXRHXOYZ · pith_short_8: AELUSPQN

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/AELUSPQNAXRHXOYZH4KAHOAUTN \
  | 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: 0117493e0d05e27bbb193f1403b8149b6d70c633b21320871335b6a131752bdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a6e4ada06c6a83ebbbbdd5924e6eed2bc62135a7194f29c6671799faf69c981",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-10-28T07:14:35Z",
    "title_canon_sha256": "fab289dc3e56158b618c8bad8216a96c37a5907b71963d386ae36969b0f42473"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7329",
    "kind": "arxiv",
    "version": 2
  }
}