Pith Number

pith:YXXNSWXJ

pith:2013:YXXNSWXJWHNUGPXM6DGNOTZYEP

not attested not anchored not stored refs pending

The geometry of Euclidean surfaces with conical singularities

Charalampos Charitos, Georgios Tsapogas, Ioannis Papadoperakis

arxiv:1306.1759 v3 · 2013-06-07 · math.GT · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YXXNSWXJWHNUGPXM6DGNOTZYEP}

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	2026-05-18T01:19:34.716031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5eed95ae9b1db433eecf0ccd74f3823fca9e0f67e123d1c177cf7c3b73ceda3

Aliases

arxiv: 1306.1759 · arxiv_version: 1306.1759v3 · doi: 10.48550/arxiv.1306.1759 · pith_short_12: YXXNSWXJWHNU · pith_short_16: YXXNSWXJWHNUGPXM · pith_short_8: YXXNSWXJ

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/YXXNSWXJWHNUGPXM6DGNOTZYEP \
  | 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: c5eed95ae9b1db433eecf0ccd74f3823fca9e0f67e123d1c177cf7c3b73ceda3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd7224a41615020b2ffe1bf54b654458d34b5bc23aad591afcf301032fc46c93",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-06-07T16:02:04Z",
    "title_canon_sha256": "5a893c26adc8be284a2d21c0e7bc714127ed102253afb17e6ebea6432617b36a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1759",
    "kind": "arxiv",
    "version": 3
  }
}