Pith Number

pith:JRFKJX76

pith:2010:JRFKJX76777GRHKB7WJFAYJRNV

not attested not anchored not stored refs pending

Discrete conformal maps and ideal hyperbolic polyhedra

Alexander Bobenko, Boris Springborn, Ulrich Pinkall

arxiv:1005.2698 v3 · 2010-05-15 · math.GT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JRFKJX76777GRHKB7WJFAYJRNV}

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	2026-05-18T01:34:30.367306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c4aa4dffefffe689d41fd925061316d46524889a29d894b1f31853cdc89f01e

Aliases

arxiv: 1005.2698 · arxiv_version: 1005.2698v3 · doi: 10.48550/arxiv.1005.2698 · pith_short_12: JRFKJX76777G · pith_short_16: JRFKJX76777GRHKB · pith_short_8: JRFKJX76

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/JRFKJX76777GRHKB7WJFAYJRNV \
  | 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: 4c4aa4dffefffe689d41fd925061316d46524889a29d894b1f31853cdc89f01e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b34b1ab5cc1e2c191d28192800c198f5b70697ce75ccdd6882ffa6de280f4ba",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2010-05-15T19:22:29Z",
    "title_canon_sha256": "ce0c6ecde6a9835ac119cf7d7e5b9b104f80337f8366d8f242a868336b2e42f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2698",
    "kind": "arxiv",
    "version": 3
  }
}