Pith Number

pith:EO4ZWLBD

pith:2015:EO4ZWLBDBQ7NDMJYNPMPA2SRV4

not attested not anchored not stored refs pending

Connected primitive disk complexes and genus two Goeritz groups of lens spaces

Sangbum Cho, Yuya Koda

arxiv:1505.04993 v1 · 2015-05-19 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EO4ZWLBDBQ7NDMJYNPMPA2SRV4}

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	2026-05-18T02:05:22.541824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23b99b2c230c3ed1b1386bd8f06a51af10a45ba284d7b586419a78367249ced7

Aliases

arxiv: 1505.04993 · arxiv_version: 1505.04993v1 · doi: 10.48550/arxiv.1505.04993 · pith_short_12: EO4ZWLBDBQ7N · pith_short_16: EO4ZWLBDBQ7NDMJY · pith_short_8: EO4ZWLBD

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/EO4ZWLBDBQ7NDMJYNPMPA2SRV4 \
  | 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: 23b99b2c230c3ed1b1386bd8f06a51af10a45ba284d7b586419a78367249ced7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df92815563a99e5b369bc4742d301d1dc7c71ff90f4ccd0ff897103ebf611ced",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-05-19T13:45:34Z",
    "title_canon_sha256": "965eaee9e7ff9407b7826247b3b4446fe2a440ab4bb6b0be2b37ed8e91b293de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04993",
    "kind": "arxiv",
    "version": 1
  }
}