Pith Number

pith:DT6GD6WV

pith:2014:DT6GD6WVGASNA72TL3WFBAJFYP

not attested not anchored not stored refs pending

Fundamental Groups of Character Varieties: Surfaces and Tori

Daniel Ramras, Indranil Biswas, Sean Lawton

arxiv:1412.4389 v2 · 2014-12-14 · math.AT · math.AG · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DT6GD6WVGASNA72TL3WFBAJFYP}

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	2026-05-18T00:16:39.290909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cfc61fad53024d07f535eec508125c3f16a29169d3c9ead823f2503707a3c62

Aliases

arxiv: 1412.4389 · arxiv_version: 1412.4389v2 · doi: 10.48550/arxiv.1412.4389 · pith_short_12: DT6GD6WVGASN · pith_short_16: DT6GD6WVGASNA72T · pith_short_8: DT6GD6WV

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/DT6GD6WVGASNA72TL3WFBAJFYP \
  | 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: 1cfc61fad53024d07f535eec508125c3f16a29169d3c9ead823f2503707a3c62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00cbefb59f701832ba6c056ea6bc74d6e635ac036ff49a4e9e8d9fe245be5ac6",
    "cross_cats_sorted": [
      "math.AG",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-12-14T18:17:59Z",
    "title_canon_sha256": "cb122ae05a7ccdc07619c837e6e0a8c6dc5e6d95019369d56ee37dec0eb8d799"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4389",
    "kind": "arxiv",
    "version": 2
  }
}