Pith Number

pith:F5YL6XTZ

pith:2011:F5YL6XTZZN3QB442R2WKD5KDRB

not attested not anchored not stored refs pending

Circular-Arc Cartograms

Jan-Hinrich K\"amper, Martin N\"ollenburg, Stephen G. Kobourov

arxiv:1112.4626 v2 · 2011-12-20 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5YL6XTZZN3QB442R2WKD5KDRB}

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	2026-05-18T03:39:05.270855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f70bf5e79cb7700f39a8eaca1f5438849d2249270b4c4961b8397041b69ea5c

Aliases

arxiv: 1112.4626 · arxiv_version: 1112.4626v2 · doi: 10.48550/arxiv.1112.4626 · pith_short_12: F5YL6XTZZN3Q · pith_short_16: F5YL6XTZZN3QB442 · pith_short_8: F5YL6XTZ

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/F5YL6XTZZN3QB442R2WKD5KDRB \
  | 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: 2f70bf5e79cb7700f39a8eaca1f5438849d2249270b4c4961b8397041b69ea5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c31a6d2e42dfc4cd29e78401960bda6a5fe5d4d4b259b648442d36af2c8a36c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-12-20T09:47:17Z",
    "title_canon_sha256": "7c8b0e80ddf11f98645655a8c269b2caf165a3e1112793cca5ce797137ec91a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4626",
    "kind": "arxiv",
    "version": 2
  }
}