Pith Number

pith:5ZIYFGIN

pith:2022:5ZIYFGINI22ZE3PW2TMGM6PRSI

not attested not anchored not stored refs pending

Compactification of the space of branched coverings of the two-dimensional sphere

S. Yu. Orevkov, V. I. Zvonilov

arxiv:2201.03084 v1 · 2022-01-09 · math.GT · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ZIYFGINI22ZE3PW2TMGM6PRSI}

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	2026-07-05T03:47:05.954912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee5182990d46b5926df6d4d86679f19220ee42bd436cf7a9be66970048bc474c

Aliases

arxiv: 2201.03084 · arxiv_version: 2201.03084v1 · doi: 10.48550/arxiv.2201.03084 · pith_short_12: 5ZIYFGINI22Z · pith_short_16: 5ZIYFGINI22ZE3PW · pith_short_8: 5ZIYFGIN

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/5ZIYFGINI22ZE3PW2TMGM6PRSI \
  | 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: ee5182990d46b5926df6d4d86679f19220ee42bd436cf7a9be66970048bc474c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52d58b806182629276bcb547151f8a9e709ce0637ae1a89583b781bcca9a2dbe",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2022-01-09T20:34:48Z",
    "title_canon_sha256": "fde4a61869b0499c40c00a7225a453be60d733644c54bdc6394b991e09d4dfe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.03084",
    "kind": "arxiv",
    "version": 1
  }
}