Pith Number

pith:SHTPGXSC

pith:2012:SHTPGXSCKH3MAVWXFD5RC7HWIB

not attested not anchored not stored refs pending

A practical approximation algorithm for solving massive instances of hybridization number for binary and nonbinary trees

Celine Scornavacca, Leo van Iersel, Nela Leki\'c, Steven Kelk

arxiv:1205.3417 v3 · 2012-05-15 · 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{SHTPGXSCKH3MAVWXFD5RC7HWIB}

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	2026-05-18T02:52:49.696759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91e6f35e4251f6c056d728fb117cf6407f0acb90a4cde96fb0cad27eab8c3326

Aliases

arxiv: 1205.3417 · arxiv_version: 1205.3417v3 · doi: 10.48550/arxiv.1205.3417 · pith_short_12: SHTPGXSCKH3M · pith_short_16: SHTPGXSCKH3MAVWX · pith_short_8: SHTPGXSC

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/SHTPGXSCKH3MAVWXFD5RC7HWIB \
  | 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: 91e6f35e4251f6c056d728fb117cf6407f0acb90a4cde96fb0cad27eab8c3326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "633727f1619b3905f7a37d30d0e3d21ee64edb61565ef55de6e288e494a4f978",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-05-15T15:33:13Z",
    "title_canon_sha256": "8303bb0d7fac8e22427c2a7727d6816aa344b53b8e692d26441d1743a8708291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3417",
    "kind": "arxiv",
    "version": 3
  }
}