Pith Number

pith:L6WFQDQF

pith:2019:L6WFQDQF4MWEOWSYMXRJSMTXQL

not attested not anchored not stored refs pending

Online Circle Packing

Christian Scheffer, S\'andor P. Fekete, Sven von H\"oveling

arxiv:1905.00612 v1 · 2019-05-02 · cs.DS · 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{L6WFQDQF4MWEOWSYMXRJSMTXQL}

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	2026-05-17T23:47:11.413962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fac580e05e32c475a5865e299327782d76b68f10aae33ebc105843d79668e8b

Aliases

arxiv: 1905.00612 · arxiv_version: 1905.00612v1 · doi: 10.48550/arxiv.1905.00612 · pith_short_12: L6WFQDQF4MWE · pith_short_16: L6WFQDQF4MWEOWSY · pith_short_8: L6WFQDQF

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/L6WFQDQF4MWEOWSYMXRJSMTXQL \
  | 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: 5fac580e05e32c475a5865e299327782d76b68f10aae33ebc105843d79668e8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a23e7d2f55a577e623ecd7d8e9c0ca66f79ae1e024cdb6674908f14b37370162",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-05-02T08:20:39Z",
    "title_canon_sha256": "df72fae1bac6f71bab880108aaefbc8c6085564ce7002fe9d9b2a190ff0b4d78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00612",
    "kind": "arxiv",
    "version": 1
  }
}