Pith Number

pith:U4CBRHWY

pith:2015:U4CBRHWYO4STD76PQVEZU7DLUU

not attested not anchored not stored refs pending

The List Distinguishing Number Equals the Distinguishing Number for Interval Graphs

Paul S. Wenger, Poppy Immel

arxiv:1509.04327 v1 · 2015-09-14 · 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{U4CBRHWYO4STD76PQVEZU7DLUU}

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	2026-05-18T01:33:07.470249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a704189ed8772531ffcf85499a7c6ba50d4d180342e962c3115d7375c0ad3de9

Aliases

arxiv: 1509.04327 · arxiv_version: 1509.04327v1 · doi: 10.48550/arxiv.1509.04327 · pith_short_12: U4CBRHWYO4ST · pith_short_16: U4CBRHWYO4STD76P · pith_short_8: U4CBRHWY

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/U4CBRHWYO4STD76PQVEZU7DLUU \
  | 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: a704189ed8772531ffcf85499a7c6ba50d4d180342e962c3115d7375c0ad3de9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d329b33e90ef5584bf0141d74072f2fbf540e22f91b2fd8b6cc78a92d75eb67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-09-14T21:05:23Z",
    "title_canon_sha256": "46d50387b9b147472dc7c38507bf16fe2f01e7204208dd9add0bd28121f7f051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04327",
    "kind": "arxiv",
    "version": 1
  }
}