Pith Number

pith:C3FE7HX7

pith:2015:C3FE7HX7DBADPCWQDK5OSVIILC

not attested not anchored not stored refs pending

A classification result and contact structures in oriented cyclic orbifold

Saibal Ganguli

arxiv:1503.05645 v7 · 2015-03-19 · math.AT · math.DG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C3FE7HX7DBADPCWQDK5OSVIILC}

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	2026-05-18T01:23:50.782392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16ca4f9eff1840378ad01abae955085898f41fd34871522fb48ec479401eae81

Aliases

arxiv: 1503.05645 · arxiv_version: 1503.05645v7 · doi: 10.48550/arxiv.1503.05645 · pith_short_12: C3FE7HX7DBAD · pith_short_16: C3FE7HX7DBADPCWQ · pith_short_8: C3FE7HX7

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/C3FE7HX7DBADPCWQDK5OSVIILC \
  | 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: 16ca4f9eff1840378ad01abae955085898f41fd34871522fb48ec479401eae81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1805f1ec134c5647b16a8df6fba49e064fa1f20970a83a42224486f7b39c5e9d",
    "cross_cats_sorted": [
      "math.DG",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-03-19T04:19:34Z",
    "title_canon_sha256": "9719eed94c11ad262ba6410200862871eb700bf76a5010d66dfce0ff420578bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05645",
    "kind": "arxiv",
    "version": 7
  }
}