Pith Number

pith:NN37LEZN

pith:2014:NN37LEZNP7TWMMRT33PAFZQZNS

not attested not anchored not stored refs pending

Rainbow arborescence in random digraphs

Alan Frieze, Colin Cooper, Deepak Bal, Patrick Bennett, Pawe{\l} Pra{\l}at

arxiv:1411.3364 v1 · 2014-11-12 · 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{NN37LEZNP7TWMMRT33PAFZQZNS}

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	2026-05-18T02:37:43.954442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b77f5932d7fe7663233dede02e6196c8bb72c3167c77c0b6f1565129e53ee42

Aliases

arxiv: 1411.3364 · arxiv_version: 1411.3364v1 · doi: 10.48550/arxiv.1411.3364 · pith_short_12: NN37LEZNP7TW · pith_short_16: NN37LEZNP7TWMMRT · pith_short_8: NN37LEZN

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/NN37LEZNP7TWMMRT33PAFZQZNS \
  | 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: 6b77f5932d7fe7663233dede02e6196c8bb72c3167c77c0b6f1565129e53ee42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d02118b1566057a8a387dc73e2515d1bceb51e2b0b193795295084234cd71323",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-11-12T21:36:16Z",
    "title_canon_sha256": "a518737bff562ceb219f085fd9d119087b7a370020608fd41b3c785374f29d73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3364",
    "kind": "arxiv",
    "version": 1
  }
}