Pith Number

pith:CJFF252L

pith:2014:CJFF252L5ABYVUCVH76DNNXPL3

not attested not anchored not stored refs pending

Orbital counting of curves on algebraic surfaces and sphere packings

Igor Dolgachev

arxiv:1408.0374 v2 · 2014-08-02 · math.AG · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CJFF252L5ABYVUCVH76DNNXPL3}

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	2026-05-18T02:43:46.711966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

124a5d774be8038ad0553ffc36b6ef5ec3ab523afed0893bf8c6ebab059e59f0

Aliases

arxiv: 1408.0374 · arxiv_version: 1408.0374v2 · doi: 10.48550/arxiv.1408.0374 · pith_short_12: CJFF252L5ABY · pith_short_16: CJFF252L5ABYVUCV · pith_short_8: CJFF252L

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/CJFF252L5ABYVUCVH76DNNXPL3 \
  | 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: 124a5d774be8038ad0553ffc36b6ef5ec3ab523afed0893bf8c6ebab059e59f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c52dd62e987227cb6ad3dbc4196e953d97dd3222fab5ab130121e83d290ac1d8",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-08-02T14:02:59Z",
    "title_canon_sha256": "b1d28b708e8c3a7403fbaf199e7ea5e1e2b36fe968ea07c60c7c04177d4b3205"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0374",
    "kind": "arxiv",
    "version": 2
  }
}