Pith Number

pith:O6F7TM6U

pith:2006:O6F7TM6UH2WMRSHAY6QDS2NWGZ

not attested not anchored not stored refs pending

Combinatorics of pedigrees

Bhalchandra D. Thatte

arxiv:math/0609264 v2 · 2006-09-10 · math.CO · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O6F7TM6UH2WMRSHAY6QDS2NWGZ}

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	2026-05-18T04:40:35.342220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

778bf9b3d43eacc8c8e0c7a03969b63641543988f2fe392e1becb1a1389c9ada

Aliases

arxiv: math/0609264 · arxiv_version: math/0609264v2 · doi: 10.48550/arxiv.math/0609264 · pith_short_12: O6F7TM6UH2WM · pith_short_16: O6F7TM6UH2WMRSHA · pith_short_8: O6F7TM6U

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/O6F7TM6UH2WMRSHAY6QDS2NWGZ \
  | 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: 778bf9b3d43eacc8c8e0c7a03969b63641543988f2fe392e1becb1a1389c9ada

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "040c310b8423ac55f006fc72cd15a2c29880d98263cda4a5d63dabcefe44408c",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2006-09-10T07:12:10Z",
    "title_canon_sha256": "0fe3ba0811e715c7524d69555b67ea30a73a387fc05d53b1973563f4169a76eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0609264",
    "kind": "arxiv",
    "version": 2
  }
}