Pith Number

pith:D2MFIPWW

pith:2015:D2MFIPWW6AHDLXKBHCF6WCBO2A

not attested not anchored not stored refs pending

Pruned double Hurwitz numbers

Marvin Anas Hahn

arxiv:1512.01598 v2 · 2015-12-05 · math.CO · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2MFIPWW6AHDLXKBHCF6WCBO2A}

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	2026-05-18T00:11:11.944632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e98543ed6f00e35dd41388beb082ed01913d8896447167792370e7a9b2d2ee7

Aliases

arxiv: 1512.01598 · arxiv_version: 1512.01598v2 · doi: 10.48550/arxiv.1512.01598 · pith_short_12: D2MFIPWW6AHD · pith_short_16: D2MFIPWW6AHDLXKB · pith_short_8: D2MFIPWW

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/D2MFIPWW6AHDLXKBHCF6WCBO2A \
  | 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: 1e98543ed6f00e35dd41388beb082ed01913d8896447167792370e7a9b2d2ee7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c126f8eec1208f95aff0aceacabcc1fb416ff522ed4b7f3b1d4c947f3304ccf2",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-12-05T00:20:48Z",
    "title_canon_sha256": "1d163df063ad487f4f55f803d479a99d768d250fa3ca533e64d8041484ff62e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01598",
    "kind": "arxiv",
    "version": 2
  }
}