Pith Number

pith:BKD36CLP

pith:2014:BKD36CLPBGMFLJ4K6NITDDJMW3

not attested not anchored not stored refs pending

Refined characteristic class and conductor formula

Haoyu Hu

arxiv:1408.6254 v1 · 2014-08-26 · 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{BKD36CLPBGMFLJ4K6NITDDJMW3}

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	2026-05-18T02:44:07.932037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a87bf096f099855a78af351318d2cb6ec1bd0f7259555d064ae323b408806b3

Aliases

arxiv: 1408.6254 · arxiv_version: 1408.6254v1 · doi: 10.48550/arxiv.1408.6254 · pith_short_12: BKD36CLPBGMF · pith_short_16: BKD36CLPBGMFLJ4K · pith_short_8: BKD36CLP

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/BKD36CLPBGMFLJ4K6NITDDJMW3 \
  | 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: 0a87bf096f099855a78af351318d2cb6ec1bd0f7259555d064ae323b408806b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4363872e7ba8e01b06aa133ad13aa05861fb2a05968dcba9f5350cf76a87de75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-08-26T20:45:40Z",
    "title_canon_sha256": "2424c17bd02157793821c166e30b3ea77a656c444122b193a6345358e93265b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6254",
    "kind": "arxiv",
    "version": 1
  }
}