Pith Number

pith:BWWAWQTF

pith:2007:BWWAWQTFV76AZ4RVVVB564SDPX

not attested not anchored not stored refs pending

Transversals in trees

Luc Devroye, Perouz Taslakian, Vasek Chvatal, Victor Campos

arxiv:0705.1806 v1 · 2007-05-13 · 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{BWWAWQTFV76AZ4RVVVB564SDPX}

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	2026-05-18T03:15:44.193671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dac0b4265affc0cf235ad43df72437dc59c5b3566a12bbe1acd4f8d442a9e61

Aliases

arxiv: 0705.1806 · arxiv_version: 0705.1806v1 · doi: 10.48550/arxiv.0705.1806 · pith_short_12: BWWAWQTFV76A · pith_short_16: BWWAWQTFV76AZ4RV · pith_short_8: BWWAWQTF

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/BWWAWQTFV76AZ4RVVVB564SDPX \
  | 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: 0dac0b4265affc0cf235ad43df72437dc59c5b3566a12bbe1acd4f8d442a9e61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deb24df344fcf45498b9bc1135f5db19931a743a83b1951650a00c97a43727b2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2007-05-13T01:10:38Z",
    "title_canon_sha256": "47c8b5eb1a5aff063e908572999d8513e40c133bf25fea09d943e8297abbc4ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.1806",
    "kind": "arxiv",
    "version": 1
  }
}