Pith Number

pith:46BNACYN

pith:2011:46BNACYNJK3U5GQMORTSFSRYRI

not attested not anchored not stored refs pending

'Bureaucratic' set systems, and their role in phylogenetics

David Bryant, Mike Steel

arxiv:1106.1723 v1 · 2011-06-09 · 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{46BNACYNJK3U5GQMORTSFSRYRI}

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	2026-05-18T04:20:15.253807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e782d00b0d4ab74e9a0c746722ca388a22f697413d550454cdaf3caacf435bef

Aliases

arxiv: 1106.1723 · arxiv_version: 1106.1723v1 · doi: 10.48550/arxiv.1106.1723 · pith_short_12: 46BNACYNJK3U · pith_short_16: 46BNACYNJK3U5GQM · pith_short_8: 46BNACYN

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/46BNACYNJK3U5GQMORTSFSRYRI \
  | 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: e782d00b0d4ab74e9a0c746722ca388a22f697413d550454cdaf3caacf435bef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd270ce6529bd8e5639668b04587a70727b061aee61c51790bf15feb9f76ae36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-06-09T07:37:27Z",
    "title_canon_sha256": "46fa819a2fc5ea020cf68ab62b39b2351619084a960bbe1ca6a1a797748fe29d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1723",
    "kind": "arxiv",
    "version": 1
  }
}