Pith Number

pith:23274J4N

pith:2012:23274J4NDVZ46YLUYAVX24AMY7

not attested not anchored not stored refs pending

Coloring d-Embeddable k-Uniform Hypergraphs

Anusch Taraz, Carl Georg Heise, Konstantinos Panagiotou, Oleg Pikhurko

arxiv:1209.4879 v2 · 2012-09-21 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{23274J4NDVZ46YLUYAVX24AMY7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:32:39.237105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6f5fe278d1d73cf6174c02b7d700cc7c2c2605b971a9d963231d65fe8cd3086

Aliases

arxiv: 1209.4879 · arxiv_version: 1209.4879v2 · doi: 10.48550/arxiv.1209.4879 · pith_short_12: 23274J4NDVZ4 · pith_short_16: 23274J4NDVZ46YLU · pith_short_8: 23274J4N

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/23274J4NDVZ46YLUYAVX24AMY7 \
  | 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: d6f5fe278d1d73cf6174c02b7d700cc7c2c2605b971a9d963231d65fe8cd3086

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1666cdd1f6ccf3fd5da5823b5078efecd6cc9c010078c036b5d61ee6b4b0b5c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-09-21T18:19:47Z",
    "title_canon_sha256": "d22a8f1a0526dd82dbecefa1cba142c7bd7478dd4acddbf7b6b13ac6c06884b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4879",
    "kind": "arxiv",
    "version": 2
  }
}