Pith Number

pith:XJ5FC53Q

pith:2013:XJ5FC53QWQ7ZIGFTT4Q73KRSRZ

not attested not anchored not stored refs pending

On numerically pluricanonical cyclic coverings

Viatcheslav Kharlamov, Viktor Kulikov

arxiv:1308.0516 v2 · 2013-08-02 · 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{XJ5FC53QWQ7ZIGFTT4Q73KRSRZ}

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	2026-05-18T03:08:46.799471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba7a517770b43f9418b39f21fdaa328e727151b034c4fd99646084ac19c3fdbb

Aliases

arxiv: 1308.0516 · arxiv_version: 1308.0516v2 · doi: 10.48550/arxiv.1308.0516 · pith_short_12: XJ5FC53QWQ7Z · pith_short_16: XJ5FC53QWQ7ZIGFT · pith_short_8: XJ5FC53Q

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/XJ5FC53QWQ7ZIGFTT4Q73KRSRZ \
  | 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: ba7a517770b43f9418b39f21fdaa328e727151b034c4fd99646084ac19c3fdbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "503a26c2c6a1bb25f08b200705ce15fc7043003e8525b0c988d645f1c778e00d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-08-02T14:39:29Z",
    "title_canon_sha256": "25cb24817ac3f0d4e9f61c86147ec7cec9b55bde45d54c044ae801b10a030e1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0516",
    "kind": "arxiv",
    "version": 2
  }
}