Pith Number

pith:4LNR237L

pith:2017:4LNR237LNAT4WNDOF5OLD2UTXT

not attested not anchored not stored refs pending

Moduli Spaces of Unordered $n\ge5$ Points on the Riemann Sphere and Their Singularities

Bin Xu, Yue Wu

arxiv:1704.07583 v3 · 2017-04-25 · math.AG · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LNR237LNAT4WNDOF5OLD2UTXT}

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	2026-05-17T23:54:26.833229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2db1d6feb6827cb346e2f5cb1ea93bcfaa51dd4b63c1935eb3aaadfde3489a8

Aliases

arxiv: 1704.07583 · arxiv_version: 1704.07583v3 · doi: 10.48550/arxiv.1704.07583 · pith_short_12: 4LNR237LNAT4 · pith_short_16: 4LNR237LNAT4WNDO · pith_short_8: 4LNR237L

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/4LNR237LNAT4WNDOF5OLD2UTXT \
  | 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: e2db1d6feb6827cb346e2f5cb1ea93bcfaa51dd4b63c1935eb3aaadfde3489a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6da1910526af53d567064e689aea135727e6628461cb4eac88d4d4afc9af019c",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-04-25T08:31:22Z",
    "title_canon_sha256": "b19e7140cf2a4a2b712a5476d109402159af784b829927e0fc3679db468515e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07583",
    "kind": "arxiv",
    "version": 3
  }
}