Pith Number

pith:H3FE4JKX

pith:2015:H3FE4JKXYSHIABTYLCCJ3QXXTA

not attested not anchored not stored refs pending

Well-Formed Separator Sequences, with an Application to Hypergraph Drawing

Christian Komusiewicz, Iyad Kanj, Manuel Sorge, Ren\'e van Bevern, Rolf Niedermeier

arxiv:1507.02350 v1 · 2015-07-09 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H3FE4JKXYSHIABTYLCCJ3QXXTA}

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	2026-05-18T01:37:06.938836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eca4e2557c48e80067858849dc2f7983c4d6540da25df2db479f7e4ccc2b86a

Aliases

arxiv: 1507.02350 · arxiv_version: 1507.02350v1 · doi: 10.48550/arxiv.1507.02350 · pith_short_12: H3FE4JKXYSHI · pith_short_16: H3FE4JKXYSHIABTY · pith_short_8: H3FE4JKX

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/H3FE4JKXYSHIABTYLCCJ3QXXTA \
  | 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: 3eca4e2557c48e80067858849dc2f7983c4d6540da25df2db479f7e4ccc2b86a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "372f30c6b5da0d037da2b0141669617c2ad0e15e3016bc56afab3cc5d77e3e68",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-07-09T02:24:02Z",
    "title_canon_sha256": "599e12277e21b47ab97db2d8aaf2437f3cdf55e37c4f9d1a2d0a5e2ae0b1ebde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02350",
    "kind": "arxiv",
    "version": 1
  }
}