Pith Number

pith:ANBHUIQA

pith:2013:ANBHUIQAKBIPBKXO6JSMPFPOKW

not attested not anchored not stored refs pending

Algorithmic construction of Hurwitz maps

Hans-Christian Graf von Bothmer, Jakob Kr\"oker, Laurent Bartholdi, Xavier Buff

arxiv:1303.1579 v2 · 2013-03-07 · math.AT · math.DS · 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{ANBHUIQAKBIPBKXO6JSMPFPOKW}

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	2026-05-18T01:11:55.546163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03427a22005050f0aaeef264c795ee5599bd06b3136de001ff602303bfdf24df

Aliases

arxiv: 1303.1579 · arxiv_version: 1303.1579v2 · doi: 10.48550/arxiv.1303.1579 · pith_short_12: ANBHUIQAKBIP · pith_short_16: ANBHUIQAKBIPBKXO · pith_short_8: ANBHUIQA

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/ANBHUIQAKBIPBKXO6JSMPFPOKW \
  | 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: 03427a22005050f0aaeef264c795ee5599bd06b3136de001ff602303bfdf24df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8c99b792fe820f46a7fc5bb2d2d841c455b817db14c3664bd1ca4b9809b2fcc",
    "cross_cats_sorted": [
      "math.DS",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-03-07T00:41:29Z",
    "title_canon_sha256": "94266179bee371d2cf29087606d964ab01313467328009772fdf837e816cee83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1579",
    "kind": "arxiv",
    "version": 2
  }
}